| @@ -185,9 +185,9 @@ | ||
| 185 | 185 | // so carry it — and everything else the late filter set in the |
| 186 | 186 | // same pass — over. A consumer reading the rendered HTML (or |
| 187 | 187 | // our own buffer passes) must still see the opt-out it asked |
| 188 | 188 | // for. |
| 189 | - $tag = self::copy_late_attributes( $tag, $pristine ); | |
| 189 | + $tag = self::copy_late_attributes( $tag, $pristine, $handle ); | |
| 190 | 190 | } |
| 191 | 191 | // The snapshot was taken on `script_loader_tag`, by which point |
| 192 | 192 | // `script_loader_src` (priority 10) had ALREADY swapped in the |
| 193 | 193 | // hashed cache URL — so reverting the tag alone still leaves the |
| @@ -230,9 +230,9 @@ | ||
| 230 | 230 | * |
| 231 | 231 | * @param string $from Tag as the late filter left it. |
| 232 | 232 | * @param string $to Snapshot tag to stamp onto. |
| 233 | 233 | */ |
| 234 | - private static function copy_late_attributes( string $from, string $to ): string { | |
| 234 | + private static function copy_late_attributes( string $from, string $to, string $handle ): string { | |
| 235 | 235 | $late_tags = self::open_tags( $from ); |
| 236 | 236 | $to_tags = self::open_tags( $to ); |
| 237 | 237 | if ( empty( $late_tags ) || empty( $to_tags ) || count( $late_tags ) !== count( $to_tags ) ) { |
| 238 | 238 | // Counts differ when a stamper/blocker injected or replaced a |
| @@ -254,9 +254,9 @@ | ||
| 254 | 254 | // later. (#469) |
| 255 | 255 | $out = $to; |
| 256 | 256 | // Right to left: an earlier splice would shift every later offset. |
| 257 | 257 | for ( $i = count( $to_tags ) - 1; $i >= 0; $i-- ) { |
| 258 | - $add = self::late_attribute_delta( $late_tags[ $i ]['attrs'], $to_tags[ $i ]['attrs'] ); | |
| 258 | + $add = self::late_attribute_delta( $late_tags[ $i ]['attrs'], $to_tags[ $i ]['attrs'], $handle ); | |
| 259 | 259 | if ( '' !== $add ) { |
| 260 | 260 | $out = substr_replace( $out, $add, $to_tags[ $i ]['attrs_end'], 0 ); |
| 261 | 261 | } |
| 262 | 262 | } |
| @@ -305,14 +305,25 @@ | ||
| 305 | 305 | } |
| 306 | 306 | |
| 307 | 307 | /** |
| 308 | 308 | * The attributes present on the late tag but not the snapshot, minus |
| 309 | - * the ones our own transforms add. | |
| 309 | + * the ones OUR transforms put there for this handle. | |
| 310 | 310 | * |
| 311 | + * Only attributes recorded in $our_late_attrs are dropped — a blanket | |
| 312 | + * defer/type skip threw away a defer the STAMPER set in the same pass | |
| 313 | + * as its marker. Themify prints main.js with defer + data-no-optimize | |
| 314 | + * together, and its config rides a deferred data: URI script printed | |
| 315 | + * just before it; stripping the theme's defer made main.js | |
| 316 | + * parser-blocking, so it ran ahead of its config and the theme died | |
| 317 | + * with "themify_vars is not defined". `src` is still never copied: | |
| 318 | + * it belongs to the snapshot, and restore_marked_script_src() owns | |
| 319 | + * undoing a minified URL. | |
| 320 | + * | |
| 311 | 321 | * @param string $late_attrs Attribute string from the transformed tag. |
| 312 | 322 | * @param string $to_attrs Attribute string from the snapshot tag. |
| 323 | + * @param string $handle Script handle the tags belong to. | |
| 313 | 324 | */ |
| 314 | - private static function late_attribute_delta( string $late_attrs, string $to_attrs ): string { | |
| 325 | + private static function late_attribute_delta( string $late_attrs, string $to_attrs, string $handle ): string { | |
| 315 | 326 | $pattern = '#\s([-\w:]+)(?:\s*=\s*(?:"[^"]*"|\'[^\']*\'|[^\s>]*))?#'; |
| 316 | 327 | if ( ! preg_match_all( $pattern, $late_attrs, $late, PREG_SET_ORDER ) ) { |
| 317 | 328 | return ''; |
| 318 | 329 | } |
| @@ -324,9 +335,9 @@ | ||
| 324 | 335 | } |
| 325 | 336 | $add = ''; |
| 326 | 337 | foreach ( $late as $attr ) { |
| 327 | 338 | $name = strtolower( $attr[1] ); |
| 328 | - if ( isset( $have[ $name ] ) || in_array( $name, self::OUR_TRANSFORM_ATTRS, true ) ) { | |
| 339 | + if ( isset( $have[ $name ] ) || 'src' === $name || isset( self::$our_late_attrs[ $handle ][ $name ] ) ) { | |
| 329 | 340 | continue; |
| 330 | 341 | } |
| 331 | 342 | if ( 0 === strpos( $name, 'data-xs-' ) ) { |
| 332 | 343 | continue; |
| @@ -336,21 +347,20 @@ | ||
| 336 | 347 | return $add; |
| 337 | 348 | } |
| 338 | 349 | |
| 339 | 350 | /** |
| 340 | - * Attributes our own transforms add. Copying any of these from the | |
| 341 | - * transformed tag back onto the snapshot would re-apply the very | |
| 342 | - * transform we are undoing: | |
| 351 | + * Attribute names OUR transforms added in this request, keyed by | |
| 352 | + * handle: defer_script_tag() records `defer`, delay_script_tag() | |
| 353 | + * records `type` when it parks an inline block. Copying one of these | |
| 354 | + * from the late tag back onto the snapshot would re-apply the very | |
| 355 | + * transform the revert is undoing — but the same names coming from a | |
| 356 | + * STAMPER are the author's intent and must survive, so the skip is | |
| 357 | + * per-handle, never by name alone. `data-xs-*` is handled by prefix | |
| 358 | + * separately. (#469) | |
| 343 | 359 | * |
| 344 | - * defer/async — defer_script_tag() | |
| 345 | - * type — delay_script_tag() parks an inline block as | |
| 346 | - * text/xspeed-delayed; a type the author set is on the | |
| 347 | - * snapshot already and matches by name before we get here | |
| 348 | - * src — belongs to the snapshot, never to the late tag | |
| 349 | - * | |
| 350 | - * `data-xs-*` is handled by prefix separately. (#469) | |
| 360 | + * @var array<string,array<string,true>> | |
| 351 | 361 | */ |
| 352 | - private const OUR_TRANSFORM_ATTRS = array( 'defer', 'async', 'type', 'src' ); | |
| 362 | + private static $our_late_attrs = array(); | |
| 353 | 363 | |
| 354 | 364 | /** |
| 355 | 365 | * Locate the opening `<script>` that carries the src, falling back to |
| 356 | 366 | * the last one when none does. |
| @@ -509,8 +519,12 @@ | ||
| 509 | 519 | // bundle's <script> tag intact so the dashboard mounts. |
| 510 | 520 | if ( self::skip_in_non_frontend_context() ) { |
| 511 | 521 | return $tag; |
| 512 | 522 | } |
| 523 | + // The author asked every optimizer to leave this tag alone. | |
| 524 | + if ( self::carries_optimizer_opt_out( $tag ) ) { | |
| 525 | + return $tag; | |
| 526 | + } | |
| 513 | 527 | if ( '' === (string) $src ) { |
| 514 | 528 | return $tag; |
| 515 | 529 | } |
| 516 | 530 | if ( self::is_excluded_script( (string) $handle, (string) $src ) ) { |
| @@ -544,9 +558,15 @@ | ||
| 544 | 558 | // dependent that touches a global its dependency defines. (#234) |
| 545 | 559 | // |
| 546 | 560 | // The lookahead scans only within the tag (`[^>]*`) for ` src=`, so |
| 547 | 561 | // an inline `<script id="…-js-before">` can never match. |
| 548 | - return (string) preg_replace( '#<script\b(?=[^>]*\ssrc\s*=)#i', '<script defer="defer"', $tag, 1 ); | |
| 562 | + $deferred = (string) preg_replace( '#<script\b(?=[^>]*\ssrc\s*=)#i', '<script defer="defer"', $tag, 1 ); | |
| 563 | + if ( $deferred !== $tag ) { | |
| 564 | + // Remember that THIS defer is ours, so the late opt-out revert | |
| 565 | + // drops it — and only it, never a stamper's own defer. | |
| 566 | + self::$our_late_attrs[ (string) $handle ]['defer'] = true; | |
| 567 | + } | |
| 568 | + return $deferred; | |
| 549 | 569 | } |
| 550 | 570 | |
| 551 | 571 | /** |
| 552 | 572 | * Filter: `script_loader_tag` — rewrite src= to data-xs-src= so the |
| @@ -565,11 +585,15 @@ | ||
| 565 | 585 | } |
| 566 | 586 | if ( self::skip_in_non_frontend_context() ) { |
| 567 | 587 | return $tag; |
| 568 | 588 | } |
| 569 | - if ( self::is_excluded_script( (string) $handle, (string) $src ) ) { | |
| 589 | + // The author asked every optimizer to leave this tag alone. | |
| 590 | + if ( self::carries_optimizer_opt_out( $tag ) ) { | |
| 570 | 591 | return $tag; |
| 571 | 592 | } |
| 593 | + if ( self::is_excluded_script( (string) $handle, (string) $src, true ) ) { | |
| 594 | + return $tag; | |
| 595 | + } | |
| 572 | 596 | // The tag itself asked to be left alone. (#456) |
| 573 | 597 | if ( self::tag_opts_out( $tag ) ) { |
| 574 | 598 | return $tag; |
| 575 | 599 | } |
| @@ -584,9 +608,16 @@ | ||
| 584 | 608 | // the moment jquery-core is delayed. A handle the user NAMED in |
| 585 | 609 | // delay_js_targets is still delayed — an explicit entry is the user |
| 586 | 610 | // saying they know the inline consumer is safe to break or absent. |
| 587 | 611 | if ( isset( self::inline_bound_handles()[ (string) $handle ] ) |
| 588 | - && ! self::is_user_named_target( (string) $handle, (string) $src ) ) { | |
| 612 | + && ! self::is_user_named_target( (string) $handle, (string) $src ) | |
| 613 | + // Smart Delay inverts this protection: the handle is delayed and | |
| 614 | + // its own before/after snippets are parked WITH it (see | |
| 615 | + // park_smart_inline()), so the consumer no longer runs against a | |
| 616 | + // missing global — it replays after its provider, in page order. | |
| 617 | + // On a builder page nearly every script is inline-bound, which is | |
| 618 | + // why delay-all without this delayed almost nothing. | |
| 619 | + && ! self::smart_delay_enabled() ) { | |
| 589 | 620 | return $tag; |
| 590 | 621 | } |
| 591 | 622 | // A non-executable type means this tag is data, or is being held by |
| 592 | 623 | // somebody else on purpose. The buffer pass has always checked this; |
| @@ -591,9 +622,17 @@ | ||
| 591 | 622 | // A non-executable type means this tag is data, or is being held by |
| 592 | 623 | // somebody else on purpose. The buffer pass has always checked this; |
| 593 | 624 | // the enqueue path did not, so a consent-blocked or JSON-carrying |
| 594 | 625 | // handle could still be rewritten here. (#274) |
| 595 | - if ( in_array( self::extract_type( $tag ), self::NON_EXECUTABLE_TYPES, true ) ) { | |
| 626 | + // | |
| 627 | + // Read the type from the tag that carries the src. $tag is before + | |
| 628 | + // external + after, and Smart Delay parks the before/after snippets | |
| 629 | + // as text/xspeed-delayed before this filter runs. Reading the first | |
| 630 | + // `type=` in the whole string found the parked snippet, so every | |
| 631 | + // handle with its own snippets kept a live src behind parked | |
| 632 | + // snippets. | |
| 633 | + $type_open = '' !== (string) $src ? self::open_tag_offsets( $tag ) : null; | |
| 634 | + if ( in_array( self::extract_type( null !== $type_open ? $type_open['attrs'] : $tag ), self::NON_EXECUTABLE_TYPES, true ) ) { | |
| 596 | 635 | return $tag; |
| 597 | 636 | } |
| 598 | 637 | // src= variant: swap src → data-xs-src and add data-xs-delay marker. |
| 599 | 638 | if ( '' !== (string) $src ) { |
| @@ -629,9 +668,9 @@ | ||
| 629 | 668 | // would win over a marker appended behind it and keep executing. |
| 630 | 669 | // A non-default original type is stashed in data-xs-type so the |
| 631 | 670 | // bootstrap can restore it on replay (#274 — type is what a script |
| 632 | 671 | // IS; a parked `type="module"` must come back as a module). |
| 633 | - $tag = (string) preg_replace_callback( | |
| 672 | + $parked = (string) preg_replace_callback( | |
| 634 | 673 | '#<script\b([^>]*)>#i', |
| 635 | 674 | static function ( array $m ): string { |
| 636 | 675 | return '<script' . self::park_type_attrs( $m[1] ) . '>'; |
| 637 | 676 | }, |
| @@ -637,9 +676,14 @@ | ||
| 637 | 676 | }, |
| 638 | 677 | $tag, |
| 639 | 678 | 1 |
| 640 | 679 | ); |
| 641 | - return $tag; | |
| 680 | + if ( $parked !== $tag ) { | |
| 681 | + // The parked type is ours to drop on a late opt-out revert; an | |
| 682 | + // author-set type sits on the snapshot and survives regardless. | |
| 683 | + self::$our_late_attrs[ (string) $handle ]['type'] = true; | |
| 684 | + } | |
| 685 | + return $parked; | |
| 642 | 686 | } |
| 643 | 687 | |
| 644 | 688 | /** |
| 645 | 689 | * Script types the buffer pass must never touch. `<script>` carries |
| @@ -647,8 +691,104 @@ | ||
| 647 | 691 | * consumers, importmaps must resolve before any module runs, and our |
| 648 | 692 | * own delayed-inline marker is already handled by the bootstrap. |
| 649 | 693 | * Rewriting any of these breaks the page or its metadata. |
| 650 | 694 | */ |
| 695 | + /** | |
| 696 | + * Attributes by which a script's own author tells optimizers to stand down. | |
| 697 | + * | |
| 698 | + * The report behind #275 also asked us to leave a script alone when its | |
| 699 | + * author "already marked it to load late". Read literally that means | |
| 700 | + * `defer`/`async`, and that reading is wrong twice over: `defer` is | |
| 701 | + * stamped onto every enqueued script by our OWN Defer JS filter at | |
| 702 | + * priority 20, before Delay JS sees it at 30 — so honouring it would | |
| 703 | + * switch Delay JS off entirely on sites running both — and `async` is the | |
| 704 | + * shape of gtag, GTM and every pixel loader, which is precisely the | |
| 705 | + * payload Delay JS exists to postpone. `defer`/`async` say WHEN TO FETCH, | |
| 706 | + * not "leave me alone". | |
| 707 | + * | |
| 708 | + * These attributes do say it. Each is an established opt-out honoured by | |
| 709 | + * another optimizer — WP Rocket, LiteSpeed, Autoptimize, NitroPack, | |
| 710 | + * Jetpack Boost — so an author who prints one has already declared that | |
| 711 | + * no optimizer should touch this tag. Consent banners are the main | |
| 712 | + * beneficiary, but the rule is general and needs neither a handle nor a | |
| 713 | + * recognised URL, so it works identically on both passes. | |
| 714 | + * | |
| 715 | + * Two deliberate omissions: | |
| 716 | + * | |
| 717 | + * - `data-cfasync="false"` is a Cloudflare Rocket Loader opt-out, and | |
| 718 | + * ad stacks (Mediavine, Ezoic, AdThrive) print it on exactly the | |
| 719 | + * heavy loaders a site turns Delay JS on for. Honouring it would | |
| 720 | + * un-delay the ads. | |
| 721 | + * - `data-no-minify` is about minification, not execution timing. | |
| 722 | + */ | |
| 723 | + private const OPT_OUT_ATTRIBUTES = array( | |
| 724 | + 'nowprocket', // WP Rocket | |
| 725 | + 'data-nowprocket', // WP Rocket | |
| 726 | + 'data-no-optimize', // LiteSpeed | |
| 727 | + 'data-noptimize', // Autoptimize | |
| 728 | + 'data-no-defer', // used by several optimizers | |
| 729 | + 'nitro-exclude', // NitroPack | |
| 730 | + 'data-jetpack-boost', // Jetpack Boost (value "ignore") | |
| 731 | + 'data-wpmeteor-nooptimize', // WP Meteor | |
| 732 | + 'data-xs-nodelay', // ours | |
| 733 | + ); | |
| 734 | + | |
| 735 | + /** | |
| 736 | + * Does this tag carry an explicit "optimizers keep out" attribute? | |
| 737 | + * | |
| 738 | + * Same `(?<![-\w])` lookbehind the rest of this file uses, so | |
| 739 | + * `data-nowprocket` does not also satisfy a bare `nowprocket` lookup, and | |
| 740 | + * a trailing `\b` so `data-no-defer` does not match `data-no-deferral`. | |
| 741 | + * Bare and valued forms both count: an author writes `nowprocket`, | |
| 742 | + * `nowprocket=""` and `data-noptimize="1"` interchangeably. | |
| 743 | + * | |
| 744 | + * @param string $tag Full opening tag. | |
| 745 | + */ | |
| 746 | + private static function carries_optimizer_opt_out( string $tag ): bool { | |
| 747 | + // Read ATTRIBUTE NAMES, not the tag as a string. A substring scan | |
| 748 | + // matched `src="https://cdn/nowprocket/loader.js"`, `?nowprocket=1`, | |
| 749 | + // `class="nowprocket"` and any inline body that merely mentioned one | |
| 750 | + // of these names -- each silently un-delaying a script that should | |
| 751 | + // have been delayed. | |
| 752 | + // | |
| 753 | + // EVERY opening tag is checked, not just the first. On the enqueue | |
| 754 | + // path WP_Scripts::do_item() hands us translations + before-inline + | |
| 755 | + // the real tag + after-inline concatenated, so the first `<script` | |
| 756 | + // is often an inline block and the author's opt-out sits on the | |
| 757 | + // external tag behind it. Reading only the first tag missed it and | |
| 758 | + // delayed the script anyway -- the wrong direction: a consent banner | |
| 759 | + // its author told optimizers to leave alone would not appear. | |
| 760 | + // | |
| 761 | + // The tag regex is quote-aware because `[^>]*>` stops at a `>` inside | |
| 762 | + // a quoted value, and consent managers routinely ship JSON in a | |
| 763 | + // data-* attribute. | |
| 764 | + if ( ! preg_match_all( '#<script\b(?:[^>"\']|"[^"]*"|\'[^\']*\')*>#is', $tag, $tags ) ) { | |
| 765 | + return false; | |
| 766 | + } | |
| 767 | + | |
| 768 | + foreach ( $tags[0] as $open ) { | |
| 769 | + // Walk name/value pairs. The name pattern is deliberately | |
| 770 | + // permissive: a name we cannot recognise (Alpine's `@load`, say) | |
| 771 | + // must still consume ITS OWN VALUE, or the value gets scanned as | |
| 772 | + // if it were more attribute names. | |
| 773 | + if ( ! preg_match_all( | |
| 774 | + '#\s+([^\s=/>]+)(?:\s*=\s*(?:"[^"]*"|\'[^\']*\'|[^\s>]*))?#s', | |
| 775 | + substr( $open, 7, -1 ), | |
| 776 | + $found | |
| 777 | + ) ) { | |
| 778 | + continue; | |
| 779 | + } | |
| 780 | + | |
| 781 | + foreach ( $found[1] as $name ) { | |
| 782 | + if ( in_array( strtolower( $name ), self::OPT_OUT_ATTRIBUTES, true ) ) { | |
| 783 | + return true; | |
| 784 | + } | |
| 785 | + } | |
| 786 | + } | |
| 787 | + | |
| 788 | + return false; | |
| 789 | + } | |
| 790 | + | |
| 651 | 791 | private const NON_EXECUTABLE_TYPES = array( |
| 652 | 792 | 'application/ld+json', |
| 653 | 793 | 'application/json', |
| 654 | 794 | 'importmap', |
| @@ -782,10 +922,21 @@ | ||
| 782 | 922 | if ( false !== stripos( $tag, 'data-xs-delay' ) || false !== stripos( $tag, 'data-xs-src' ) ) { |
| 783 | 923 | return $tag; |
| 784 | 924 | } |
| 785 | 925 | |
| 786 | - // The tag itself asked to be left alone. (#456) | |
| 787 | - if ( self::tag_opts_out( $tag ) ) { | |
| 926 | + // The author asked every optimizer to leave this tag alone. | |
| 927 | + // Checked before src/type: it needs neither, so an | |
| 928 | + // un-enqueued banner printed straight into wp_head is | |
| 929 | + // covered the same as an enqueued one. | |
| 930 | + // | |
| 931 | + // Both checks, because they disagree on purpose and either | |
| 932 | + // saying "leave it" is the safe answer. tag_opts_out() is | |
| 933 | + // dev's (#456) and also drives the late re-check at #469; | |
| 934 | + // carries_optimizer_opt_out() reads attribute NAMES across | |
| 935 | + // every opening tag, so it is not fooled by a marker sitting | |
| 936 | + // inside a quoted value or an inline body, and it knows the | |
| 937 | + // other optimizers' markers. | |
| 938 | + if ( self::tag_opts_out( $tag ) || self::carries_optimizer_opt_out( $tag ) ) { | |
| 788 | 939 | return $tag; |
| 789 | 940 | } |
| 790 | 941 | |
| 791 | 942 | // No src → inline code. The enqueue path owns those; a |
| @@ -811,37 +962,48 @@ | ||
| 811 | 962 | return $tag; |
| 812 | 963 | } |
| 813 | 964 | } |
| 814 | 965 | |
| 815 | - // Recover the handle from the tag's id before deciding. | |
| 966 | + // An ENQUEUED script reaches this sweep too: the enqueue-path | |
| 967 | + // filter leaves an EXCLUDED tag unmarked, and unmarked is all | |
| 968 | + // this pass can see. Judging it on its URL alone re-delays the | |
| 969 | + // very script the exclusion protected — and a handle is not | |
| 970 | + // generally in its own URL, which is the shape Complianz | |
| 971 | + // (`cmplz-cookiebanner`), NotificationX (`notificationx-public`) | |
| 972 | + // and jQuery (`jquery-core`) all have. A site with jquery-core | |
| 973 | + // excluded still shipped jQuery delayed, and every inline | |
| 974 | + // `jQuery(...)` on the page threw "jQuery is not defined". | |
| 975 | + // WordPress prints `id="<handle>-js"` on every enqueued | |
| 976 | + // script, so the handle is right there in the tag. (#275) | |
| 816 | 977 | // |
| 817 | - // This pass used to pass '' as the handle, on the reasoning | |
| 818 | - // that a tag reaching the buffer was never enqueued and so has | |
| 819 | - // none. That holds for the third-party snippets this pass | |
| 820 | - // exists for — but NOT for enqueued scripts, which also travel | |
| 821 | - // through here, and which WordPress prints with | |
| 822 | - // `id="<handle>-js"`. Passing '' meant every handle-based | |
| 823 | - // exclusion was silently inert at this layer: the user writes | |
| 824 | - // `jquery-core`, the enqueue path honours it, and then the | |
| 825 | - // buffer pass — which only ever compared URLs — delayed the | |
| 826 | - // very script the list was protecting. | |
| 978 | + // The lookbehind matters: `data-id="cmplz-cookiebanner-js"` is | |
| 979 | + // somebody's own attribute, not the handle, and reading it as | |
| 980 | + // one would shield a script nobody excluded. | |
| 827 | 981 | // |
| 828 | - // That is how a site with jquery-core AND jquery-migrate | |
| 829 | - // excluded still shipped jQuery delayed while migrate loaded | |
| 830 | - // normally, and every inline `jQuery(...)` on the page threw | |
| 831 | - // "jQuery is not defined". The two behaved differently for no | |
| 832 | - // reason a user could see, which is what made it look like a | |
| 833 | - // matching quirk rather than a whole layer ignoring the list. | |
| 982 | + // Merge note for #374: if a URL->handle map built from | |
| 983 | + // wp_scripts() lands first, resolve through that and keep | |
| 984 | + // this as the FALLBACK rather than replacing it. The map is | |
| 985 | + // keyed on the REGISTERED src, and Minifier::rewrite_script() | |
| 986 | + // rewrites a local script's URL to a hashed /cache/xspeed/min/ | |
| 987 | + // path at output time -- which is why remember_original_src() | |
| 988 | + // exists. So with minify_js on, the map misses every minified | |
| 989 | + // script and an excluded one would be re-delayed here. The | |
| 990 | + // `id` survives that rewrite. | |
| 834 | 991 | $tag_handle = ''; |
| 835 | - if ( preg_match( '#\sid\s*=\s*(["\'])(.*?)\1#i', $tag, $id_m ) ) { | |
| 992 | + if ( preg_match( '#(?<![-\w])id\s*=\s*(["\'])(.*?)\1#is', $tag, $id_m ) ) { | |
| 836 | 993 | // WP appends `-js`; anything else is somebody's own id and |
| 837 | 994 | // is still worth matching literally. |
| 838 | - $tag_handle = (string) preg_replace( '/-js$/', '', $id_m[2] ); | |
| 995 | + $tag_handle = (string) preg_replace( '/-js$/', '', trim( $id_m[2] ) ); | |
| 839 | 996 | } |
| 840 | 997 | |
| 841 | - if ( self::is_excluded_script( $tag_handle, $src ) ) { | |
| 998 | + if ( self::is_excluded_script( $tag_handle, $src, true ) ) { | |
| 842 | 999 | return $tag; |
| 843 | 1000 | } |
| 1001 | + // The handle is passed to the target test as well, so naming a | |
| 1002 | + // handle in the delay list behaves the same here as it does on | |
| 1003 | + // the enqueue path. The two layers disagreeing on what a target | |
| 1004 | + // means is what made this look like a matching quirk rather | |
| 1005 | + // than a whole layer ignoring the list. | |
| 844 | 1006 | if ( ! self::is_delay_target( $tag_handle, $src ) ) { |
| 845 | 1007 | return $tag; |
| 846 | 1008 | } |
| 847 | 1009 | // Mirror of the enqueue-path guard: a handle that inline code |
| @@ -903,11 +1065,13 @@ | ||
| 903 | 1065 | if ( empty( $opts['delay_js'] ) ) { |
| 904 | 1066 | return $html; |
| 905 | 1067 | } |
| 906 | 1068 | |
| 1069 | + $handle_delayed = self::handle_delay_outcomes( $html ); | |
| 1070 | + | |
| 907 | 1071 | $out = preg_replace_callback( |
| 908 | 1072 | '#<script\b([^>]*)>(.*?)</script>#is', |
| 909 | - static function ( array $m ): string { | |
| 1073 | + static function ( array $m ) use ( $handle_delayed ): string { | |
| 910 | 1074 | list( $whole, $attrs, $body ) = $m; |
| 911 | 1075 | |
| 912 | 1076 | if ( '' === trim( $body ) ) { |
| 913 | 1077 | return $whole; |
| @@ -946,8 +1110,47 @@ | ||
| 946 | 1110 | if ( false !== stripos( $body, 'document.write' ) ) { |
| 947 | 1111 | return $whole; |
| 948 | 1112 | } |
| 949 | 1113 | |
| 1114 | + // Our own inline scripts, by the id they are printed with. | |
| 1115 | + // The src passes get this for free from the handle prefix, | |
| 1116 | + // but here the handle is '' — and the facade observer's body | |
| 1117 | + // names youtube/vimeo, so a user target like "youtube" would | |
| 1118 | + // park the very script that makes those embeds cheap. | |
| 1119 | + if ( preg_match( '#(?<![-\w])id\s*=\s*(["\'])xspeed-#i', $attrs ) ) { | |
| 1120 | + return $whole; | |
| 1121 | + } | |
| 1122 | + | |
| 1123 | + // A handle's own inline blocks follow the handle, not only their | |
| 1124 | + // body text. The body rule below decided them alone, so a | |
| 1125 | + // `-js-extra` whose data named a target was parked while its | |
| 1126 | + // script, kept eager by a URL exclusion, ran first and read an | |
| 1127 | + // undefined global. (#549) | |
| 1128 | + // | |
| 1129 | + // Ahead of the exclusion list on purpose. The handle's own tag | |
| 1130 | + // was already weighed against it by handle and URL; a body | |
| 1131 | + // match here would keep the after-code of a delayed script | |
| 1132 | + // eager, running it before the script it calls. | |
| 1133 | + if ( preg_match( '#(?<![-\w])id\s*=\s*(["\'])(.+?)-js-(extra|before|after)\1#i', $attrs, $own ) ) { | |
| 1134 | + $part = strtolower( $own[3] ); | |
| 1135 | + // wp_localize_script data. Early is always safe: it only | |
| 1136 | + // assigns, and its script cannot run before it. | |
| 1137 | + if ( 'extra' === $part ) { | |
| 1138 | + return $whole; | |
| 1139 | + } | |
| 1140 | + if ( isset( $handle_delayed[ $own[2] ] ) ) { | |
| 1141 | + if ( $handle_delayed[ $own[2] ] ) { | |
| 1142 | + return '<script' . self::park_type_attrs( $attrs ) . '>' . $body . '</script>'; | |
| 1143 | + } | |
| 1144 | + // The script runs at load, so its `before` code must too. | |
| 1145 | + // Its `after` code still runs after it if parked, so that | |
| 1146 | + // one is left to the body rule, like any vendor loader. | |
| 1147 | + if ( 'before' === $part ) { | |
| 1148 | + return $whole; | |
| 1149 | + } | |
| 1150 | + } | |
| 1151 | + } | |
| 1152 | + | |
| 950 | 1153 | // The body stands in for the URL in the lists the src passes |
| 951 | 1154 | // consult — but NOT via is_delay_target(), whose empty-list |
| 952 | 1155 | // default is "delay everything". That default is right for a |
| 953 | 1156 | // tag with a URL and catastrophic here: it would park every |
| @@ -953,12 +1156,16 @@ | ||
| 953 | 1156 | // tag with a URL and catastrophic here: it would park every |
| 954 | 1157 | // inline script on the page. Inline code is delayed only on a |
| 955 | 1158 | // positive identification — the body names a known vendor |
| 956 | 1159 | // host, or a fragment the user targeted — and the exclusion |
| 957 | - // list still wins first. | |
| 958 | - if ( self::is_excluded_script( '', $body ) ) { | |
| 1160 | + // list still wins first. A target naming a consent manager | |
| 1161 | + // lifts the floor here the same way it does for a src tag; | |
| 1162 | + // without it the same entry delayed the file and left the | |
| 1163 | + // vendor's inline code eager. | |
| 1164 | + if ( self::is_excluded_script( '', $body, true ) ) { | |
| 959 | 1165 | return $whole; |
| 960 | 1166 | } |
| 1167 | + | |
| 961 | 1168 | if ( ! self::matches_known_third_party( $body ) && ! self::matches_user_targets( $body ) ) { |
| 962 | 1169 | return $whole; |
| 963 | 1170 | } |
| 964 | 1171 | |
| @@ -977,8 +1184,264 @@ | ||
| 977 | 1184 | return null === $out ? $html : $out; |
| 978 | 1185 | } |
| 979 | 1186 | |
| 980 | 1187 | /** |
| 1188 | + * Whether each enqueued handle's external tag ended up delayed. | |
| 1189 | + * | |
| 1190 | + * Read from the finished HTML rather than recorded as tags are filtered: | |
| 1191 | + * this runs after every pass that can delay a tag (script_loader_tag, the | |
| 1192 | + * late opt-out revert, the raw-tag sweep), so the page itself is the only | |
| 1193 | + * complete answer. | |
| 1194 | + * | |
| 1195 | + * @param string $html Complete page HTML. | |
| 1196 | + * @return array<string,bool> Handle => delayed. | |
| 1197 | + */ | |
| 1198 | + private static function handle_delay_outcomes( string $html ): array { | |
| 1199 | + if ( ! preg_match_all( '#<script\b((?:"[^"]*"|\'[^\']*\'|[^>"\'])*)>#i', $html, $m ) ) { | |
| 1200 | + return array(); | |
| 1201 | + } | |
| 1202 | + $out = array(); | |
| 1203 | + foreach ( $m[1] as $attrs ) { | |
| 1204 | + if ( ! preg_match( '#(?<![-\w])id\s*=\s*(["\'])(.+?)-js\1#i', $attrs, $id ) ) { | |
| 1205 | + continue; | |
| 1206 | + } | |
| 1207 | + $out[ $id[2] ] = false !== stripos( $attrs, 'data-xs-delay' ) || false !== stripos( $attrs, 'data-xs-src' ); | |
| 1208 | + } | |
| 1209 | + return $out; | |
| 1210 | + } | |
| 1211 | + | |
| 1212 | + /** | |
| 1213 | + * What a held async sheet runs once it has settled: mark itself and let | |
| 1214 | + * the flip script check whether every held sheet has. | |
| 1215 | + */ | |
| 1216 | + private const HOLD_SETTLED_JS = "this.setAttribute('data-xs-ready','1');window.xsCssFlip&&xsCssFlip()"; | |
| 1217 | + | |
| 1218 | + /** | |
| 1219 | + * A held sheet that fails (404, blocked, network error) never fires | |
| 1220 | + * `load`, so with only an onload the flip waited for it and every other | |
| 1221 | + * sheet stayed off until the 5-second fallback: an unstyled page. An | |
| 1222 | + * error settles it as well. An onerror the tag already carries keeps | |
| 1223 | + * running, after ours, so its throwing cannot hold the flip back. | |
| 1224 | + * | |
| 1225 | + * @param string $tag A held `<link>` tag, already carrying our onload. | |
| 1226 | + */ | |
| 1227 | + private static function settle_held_sheet_on_error( string $tag ): string { | |
| 1228 | + $merged = (string) preg_replace_callback( | |
| 1229 | + '#\sonerror\s*=\s*(?:"([^"]*)"|\'([^\']*)\'|([^\s"\'>]+))#i', | |
| 1230 | + static function ( array $e ): string { | |
| 1231 | + $own = (string) ( $e[1] ?? '' ) . (string) ( $e[2] ?? '' ) . (string) ( $e[3] ?? '' ); | |
| 1232 | + $own = html_entity_decode( $own, ENT_QUOTES | ENT_HTML5, 'UTF-8' ); | |
| 1233 | + return ' onerror="' . self::HOLD_SETTLED_JS . ';' . esc_attr( $own ) . '"'; | |
| 1234 | + }, | |
| 1235 | + $tag, | |
| 1236 | + 1, | |
| 1237 | + $count | |
| 1238 | + ); | |
| 1239 | + if ( 1 === $count ) { | |
| 1240 | + return $merged; | |
| 1241 | + } | |
| 1242 | + return (string) preg_replace( | |
| 1243 | + '#\sonload="' . preg_quote( self::HOLD_SETTLED_JS, '#' ) . '"#', | |
| 1244 | + '$0 onerror="' . self::HOLD_SETTLED_JS . '"', | |
| 1245 | + $tag, | |
| 1246 | + 1 | |
| 1247 | + ); | |
| 1248 | + } | |
| 1249 | + | |
| 1250 | + /** | |
| 1251 | + * Hosts whose stylesheets are the site's own for the transition hold: | |
| 1252 | + * the site's host and, when the CDN rewrite is on, its CDN host. A sheet | |
| 1253 | + * from any other host applies on its own load. | |
| 1254 | + * | |
| 1255 | + * @return string[] Lowercase hosts. | |
| 1256 | + */ | |
| 1257 | + private static function first_party_hosts(): array { | |
| 1258 | + $hosts = array( strtolower( (string) wp_parse_url( home_url( '/' ), PHP_URL_HOST ) ) ); | |
| 1259 | + $cdn = get_option( 'xspeed_module_cdn', array() ); | |
| 1260 | + if ( is_array( $cdn ) && ! empty( $cdn['enabled'] ) && ! empty( $cdn['cdn_url'] ) ) { | |
| 1261 | + $hosts[] = (string) preg_replace( '#[/:].*$#', '', Cdn_Rewriter::normalize_host( (string) $cdn['cdn_url'] ) ); | |
| 1262 | + } | |
| 1263 | + /** | |
| 1264 | + * Filter: xspeed_async_css_first_party_hosts. Hosts whose async | |
| 1265 | + * stylesheets wait for the transition hold's single flip. Add a | |
| 1266 | + * static-asset host that serves the site's own CSS. | |
| 1267 | + * | |
| 1268 | + * @param string[] $hosts Lowercase hosts. | |
| 1269 | + */ | |
| 1270 | + $hosts = (array) apply_filters( 'xspeed_async_css_first_party_hosts', $hosts ); | |
| 1271 | + return array_values( array_filter( array_map( static fn( $h ) => strtolower( trim( (string) $h ) ), $hosts ) ) ); | |
| 1272 | + } | |
| 1273 | + | |
| 1274 | + /** | |
| 1275 | + * Hold CSS transitions while async stylesheets load. | |
| 1276 | + * | |
| 1277 | + * Critical CSS styles only the first screen. When the deferred | |
| 1278 | + * stylesheets arrive, every element that has a `transition` and a value | |
| 1279 | + * that changes animates at once: below the fold from the browser's | |
| 1280 | + * defaults, above it wherever the critical CSS differs. On an Elementor | |
| 1281 | + * page that was about 100 elements and seconds of main-thread work on a | |
| 1282 | + * throttled phone. Transitions stay off until the last async sheet has | |
| 1283 | + * applied, then come back two frames later. | |
| 1284 | + * | |
| 1285 | + * @param string $html Complete page HTML. | |
| 1286 | + */ | |
| 1287 | + public static function hold_transitions_for_async_css( $html ): string { | |
| 1288 | + if ( ! is_string( $html ) || '' === $html ) { | |
| 1289 | + return (string) $html; | |
| 1290 | + } | |
| 1291 | + if ( self::skip_in_non_frontend_context() ) { | |
| 1292 | + return $html; | |
| 1293 | + } | |
| 1294 | + /** | |
| 1295 | + * Filter: xspeed_async_css_hold_transitions. Return false to let | |
| 1296 | + * transitions run while async stylesheets load. | |
| 1297 | + * | |
| 1298 | + * @param bool $hold Whether to hold them. Default true. | |
| 1299 | + */ | |
| 1300 | + if ( ! apply_filters( 'xspeed_async_css_hold_transitions', true ) ) { | |
| 1301 | + return $html; | |
| 1302 | + } | |
| 1303 | + if ( false !== strpos( $html, 'id="xspeed-transition-hold-js"' ) ) { | |
| 1304 | + return $html; | |
| 1305 | + } | |
| 1306 | + if ( ! preg_match( '#<link\b[^>]*\bdata-(?:xs|xspeed)-async\b#i', $html ) ) { | |
| 1307 | + return $html; | |
| 1308 | + } | |
| 1309 | + // Async sheets used to switch themselves on as each finished, in | |
| 1310 | + // download order. Between the first and the last the page ran on a | |
| 1311 | + // partial cascade that matched neither the critical CSS nor the | |
| 1312 | + // final layout, and the hero jumped (CLS 0.3 on a phone). Each sheet | |
| 1313 | + // now only marks itself loaded; the script below switches them all | |
| 1314 | + // on together, in document order, once every one has loaded. | |
| 1315 | + // A cross-origin sheet (Google Fonts, a CDN font kit) keeps switching | |
| 1316 | + // itself on: waiting for it let a slow third party hold back the | |
| 1317 | + // site's own CSS. The flip script skips it too. | |
| 1318 | + $own_hosts = self::first_party_hosts(); | |
| 1319 | + $rewritten = (string) preg_replace_callback( | |
| 1320 | + '#<link\b[^>]*\bdata-(?:xs|xspeed)-async\b[^>]*>#i', | |
| 1321 | + static function ( array $m ) use ( $own_hosts ): string { | |
| 1322 | + if ( preg_match( '#\shref\s*=\s*["\']?(?:https?:)?//([^/"\'\s>:]+)#i', $m[0], $h ) && ! in_array( strtolower( $h[1] ), $own_hosts, true ) ) { | |
| 1323 | + return $m[0]; | |
| 1324 | + } | |
| 1325 | + $held = (string) preg_replace( | |
| 1326 | + '#\sonload\s*=\s*"this\.media=\'[^\'"]*\'"#i', | |
| 1327 | + ' data-xs-hold="1" onload="' . self::HOLD_SETTLED_JS . '"', | |
| 1328 | + $m[0], | |
| 1329 | + 1, | |
| 1330 | + $count | |
| 1331 | + ); | |
| 1332 | + if ( 1 !== $count ) { | |
| 1333 | + return $m[0]; | |
| 1334 | + } | |
| 1335 | + return self::settle_held_sheet_on_error( $held ); | |
| 1336 | + }, | |
| 1337 | + $html | |
| 1338 | + ); | |
| 1339 | + | |
| 1340 | + // The hold style is added by a script, so a visitor without | |
| 1341 | + // JavaScript, whom the flip script never reaches, keeps transitions: | |
| 1342 | + // a style in the markup stayed for good there. The no-JS page is the | |
| 1343 | + // page without this pass, apart from the inert script tags. | |
| 1344 | + $style = '<script id="xspeed-transition-hold-css">(function(){var s=document.createElement("style");s.id="xspeed-transition-hold";' | |
| 1345 | + . 's.textContent="*,*::before,*::after{transition:none!important}";(document.head||document.documentElement).appendChild(s)})();</script>'; | |
| 1346 | + $script = '<script id="xspeed-transition-hold-js">(function(){var s=document.getElementById("xspeed-transition-hold"),d=0,dcl=0;' | |
| 1347 | + . 'function links(){return document.querySelectorAll("link[data-xs-hold]")}' | |
| 1348 | + . 'function flip(force){if(d)return;var l=links(),i;if(!force){if(!dcl)return;for(i=0;i<l.length;i++)if(l[i].media==="print"&&!l[i].hasAttribute("data-xs-ready"))return}' | |
| 1349 | + . 'd=1;for(i=0;i<l.length;i++)if(l[i].media==="print")l[i].media=l[i].getAttribute("data-xs-async")||l[i].getAttribute("data-xspeed-async")||"all";' | |
| 1350 | + . 'requestAnimationFrame(function(){requestAnimationFrame(function(){s&&s.parentNode&&s.parentNode.removeChild(s)})})}' | |
| 1351 | + . 'window.xsCssFlip=function(){flip(0)};' | |
| 1352 | + . 'document.addEventListener("DOMContentLoaded",function(){dcl=1;flip(0)});setTimeout(function(){flip(1)},5000)})();</script>'; | |
| 1353 | + | |
| 1354 | + $out = preg_replace( '#<head\b[^>]*>#i', '$0' . $style, $rewritten, 1, $count ); | |
| 1355 | + if ( null === $out || 1 !== $count ) { | |
| 1356 | + return $html; | |
| 1357 | + } | |
| 1358 | + $with_script = preg_replace( '#</body>#i', $script . '$0', $out, 1, $count ); | |
| 1359 | + return ( null === $with_script || 1 !== $count ) ? $html : $with_script; | |
| 1360 | + } | |
| 1361 | + | |
| 1362 | + /** | |
| 1363 | + * Action: `wp_head` (priority 1). Show Elementor's entrance-animation | |
| 1364 | + * elements when Delay JS holds back the script that would show them. | |
| 1365 | + * | |
| 1366 | + * Elementor prints a widget with an entrance animation as | |
| 1367 | + * `elementor-invisible` (visibility:hidden), and its frontend script | |
| 1368 | + * removes the class as the widget scrolls into view. Delayed, that script | |
| 1369 | + * runs on the first interaction, so a hero with an entrance animation | |
| 1370 | + * stayed blank until then. Lighthouse never interacts: it measured an | |
| 1371 | + * empty first screen, and its LCP and CLS described a page nobody sees. | |
| 1372 | + * | |
| 1373 | + * Printed from the head rather than the cached-page buffer, which never | |
| 1374 | + * runs with the page cache off or on a bypassed page, where the script | |
| 1375 | + * is delayed all the same. The decision is the one delay_script_tag() | |
| 1376 | + * makes later in the request: Smart Delay delays the handle unless it is | |
| 1377 | + * excluded; plain delay keeps it live (its config snippet reads it) | |
| 1378 | + * unless the user named it. A rule left on a page with no such element | |
| 1379 | + * matches nothing. | |
| 1380 | + */ | |
| 1381 | + public static function print_entrance_animation_reveal(): void { | |
| 1382 | + if ( self::skip_in_non_frontend_context() || ! self::delays_elementor_frontend() ) { | |
| 1383 | + return; | |
| 1384 | + } | |
| 1385 | + /** | |
| 1386 | + * Filter: xspeed_delay_js_reveal_entrance_animations. Return false to | |
| 1387 | + * keep Elementor's entrance-animation elements hidden until the | |
| 1388 | + * delayed frontend script runs. | |
| 1389 | + * | |
| 1390 | + * @param bool $reveal Whether to show them at load. Default true. | |
| 1391 | + */ | |
| 1392 | + if ( ! apply_filters( 'xspeed_delay_js_reveal_entrance_animations', true ) ) { | |
| 1393 | + return; | |
| 1394 | + } | |
| 1395 | + echo self::entrance_reveal_markup() . "\n"; // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped -- fixed markup, no input. | |
| 1396 | + } | |
| 1397 | + | |
| 1398 | + /** | |
| 1399 | + * The reveal style, and the script that settles what the visitor has | |
| 1400 | + * already seen. | |
| 1401 | + * | |
| 1402 | + * Shown by the style, an element still carries its entrance animation, | |
| 1403 | + * and when the delayed frontend script runs Elementor plays it: the | |
| 1404 | + * element drops to opacity 0 and fades back in. For the first screen that | |
| 1405 | + * was the hero heading vanishing on the first mouse move. So when the | |
| 1406 | + * replay starts (`xspeed:replaying`, before any delayed script is back), | |
| 1407 | + * every animated element in the viewport has its animation set to | |
| 1408 | + * `none` in `data-settings`, which Elementor reads as "show it, do not | |
| 1409 | + * animate". Elements further down keep theirs and animate as they | |
| 1410 | + * scroll in, as on a page without Delay JS. | |
| 1411 | + */ | |
| 1412 | + public static function entrance_reveal_markup(): string { | |
| 1413 | + return '<style id="xspeed-reveal-entrance">.elementor-invisible{visibility:visible!important}</style>' | |
| 1414 | + . '<script id="xspeed-reveal-entrance-js" data-xs-nodelay>document.addEventListener("xspeed:replaying",function(){' | |
| 1415 | + . 'var h=window.innerHeight,w=window.innerWidth,j=window.jQuery;' | |
| 1416 | + . 'Array.prototype.forEach.call(document.querySelectorAll(".elementor-invisible[data-settings]"),function(e){' | |
| 1417 | + . 'var r=e.getBoundingClientRect(),s,k;' | |
| 1418 | + . 'if(!(r.width||r.height)||r.bottom<=0||r.top>=h||r.right<=0||r.left>=w)return;' | |
| 1419 | + . 'try{s=JSON.parse(e.getAttribute("data-settings"))}catch(x){return}' | |
| 1420 | + . 'if(!s||typeof s!=="object")return;' | |
| 1421 | + . 'for(k in s)if(/^_?animation(_|$)/.test(k)&&!/(delay|duration)/.test(k))s[k]="none";' | |
| 1422 | + . 'e.setAttribute("data-settings",JSON.stringify(s));e.classList.remove("elementor-invisible");' | |
| 1423 | + . 'j&&j.removeData&&j.removeData(e,"settings")})},{once:true})</script>'; | |
| 1424 | + } | |
| 1425 | + | |
| 1426 | + /** Will Delay JS hold back Elementor's frontend script on this request? */ | |
| 1427 | + private static function delays_elementor_frontend(): bool { | |
| 1428 | + $opts = self::opts(); | |
| 1429 | + if ( empty( $opts['delay_js'] ) ) { | |
| 1430 | + return false; | |
| 1431 | + } | |
| 1432 | + $handle = 'elementor-frontend'; | |
| 1433 | + $src = self::registered_src( $handle ); | |
| 1434 | + if ( '' === $src ) { | |
| 1435 | + return false; // Elementor is not loaded. | |
| 1436 | + } | |
| 1437 | + if ( self::smart_delay_enabled() ) { | |
| 1438 | + return self::smart_delays_handle( $handle ); | |
| 1439 | + } | |
| 1440 | + return ! self::is_excluded_script( $handle, $src, true ) && self::is_user_named_target( $handle, $src ); | |
| 1441 | + } | |
| 1442 | + | |
| 1443 | + /** | |
| 981 | 1444 | * Inline bootstrap that flips delayed scripts on the first user |
| 982 | 1445 | * interaction. Printed once on wp_footer priority 1000. |
| 983 | 1446 | */ |
| 984 | 1447 | public static function print_delay_bootstrap(): void { |
| @@ -998,70 +1461,49 @@ | ||
| 998 | 1461 | $opts = self::opts(); |
| 999 | 1462 | $timeout = isset( $opts['delay_js_timeout'] ) ? (int) $opts['delay_js_timeout'] : 8000; |
| 1000 | 1463 | $timeout = max( 0, min( 60000, $timeout ) ); |
| 1001 | 1464 | |
| 1002 | - // Tiny vanilla bootstrap; keep it self-contained so the page | |
| 1003 | - // has no JS dependencies before the first interaction. | |
| 1004 | - ?> | |
| 1005 | -<script id="xspeed-delay-bootstrap"> | |
| 1006 | -(function(){ | |
| 1007 | - var events=['mousemove','keydown','touchstart','scroll','wheel']; | |
| 1008 | - var fired=false; | |
| 1009 | - function load(){ | |
| 1010 | - if(fired)return;fired=true; | |
| 1011 | - events.forEach(function(e){window.removeEventListener(e,load,{passive:true,capture:true});}); | |
| 1012 | - var delayed=document.querySelectorAll('script[data-xs-delay]'); | |
| 1013 | - delayed.forEach(function(s){ | |
| 1014 | - var n=document.createElement('script'); | |
| 1015 | - // A dynamically-created script is async by default, so replayed | |
| 1016 | - // EXTERNALS would race each other; async=false restores document | |
| 1017 | - // order among the externals. Narrower guarantee, stated plainly: | |
| 1018 | - // a replayed INLINE script still executes synchronously at its | |
| 1019 | - // replaceChild, i.e. possibly before an earlier external has | |
| 1020 | - // finished LOADING — so an inline consumer of a delayed external | |
| 1021 | - // is only safe when both were delayed by explicit user targeting | |
| 1022 | - // (the inline-bound guard keeps the implicit case eager). | |
| 1023 | - n.async=false; | |
| 1024 | - // Nonce hiding: a connected element's nonce CONTENT attribute reads | |
| 1025 | - // as "", so copying it via the attribute loop would hand the clone | |
| 1026 | - // an empty nonce and a nonce-based CSP would block the replay. The | |
| 1027 | - // IDL property still carries the real value. | |
| 1028 | - if(s.nonce){n.nonce=s.nonce;} | |
| 1029 | - Array.prototype.slice.call(s.attributes).forEach(function(a){ | |
| 1030 | - if(a.name==='data-xs-src'){n.setAttribute('src',a.value);return;} | |
| 1031 | - if(a.name==='data-xs-delay')return; | |
| 1032 | - if(a.name==='nonce')return; | |
| 1033 | - // A parked inline tag's ORIGINAL type (module, mostly) rides in | |
| 1034 | - // data-xs-type — restore it, or the replay runs a module as a | |
| 1035 | - // classic script and its imports throw. (#274) | |
| 1036 | - if(a.name==='data-xs-type'){n.setAttribute('type',a.value);return;} | |
| 1037 | - // `type` is what a script IS, not decoration, so it is carried over | |
| 1038 | - // — with ONE exception: our own inline parking marker, which exists | |
| 1039 | - // only to stop the browser executing the original and must not be | |
| 1040 | - // copied onto the replacement. Dropping type wholesale broke two | |
| 1041 | - // things: `type="module"` became a classic script (core's Script | |
| 1042 | - // Modules — Navigation, lightbox, Query Loop — threw "Cannot use | |
| 1043 | - // import statement outside a module" on the default theme), and | |
| 1044 | - // `type="text/plain"`, which is precisely how a consent manager | |
| 1045 | - // parks a blocked third-party script, became executable again. The | |
| 1046 | - // second is a privacy failure, not a broken feature. (#274) | |
| 1047 | - if(a.name==='type'&&a.value==='text/xspeed-delayed')return; | |
| 1048 | - n.setAttribute(a.name,a.value); | |
| 1049 | - }); | |
| 1050 | - if(!s.hasAttribute('data-xs-src')){n.text=s.text;} | |
| 1051 | - s.parentNode.replaceChild(n,s); | |
| 1052 | - }); | |
| 1053 | - } | |
| 1054 | - events.forEach(function(e){window.addEventListener(e,load,{passive:true,capture:true});}); | |
| 1055 | -<?php if ( $timeout > 0 ) : ?> | |
| 1056 | - setTimeout(load,<?php echo (int) $timeout; ?>); | |
| 1057 | -<?php endif; ?> | |
| 1058 | -})(); | |
| 1059 | -</script> | |
| 1060 | - <?php | |
| 1465 | + // The script is includes/js/delay-bootstrap.js, which also carries | |
| 1466 | + // the design notes for the lifecycle replay (#494). `npm run build` | |
| 1467 | + // minifies it into assets/delay-bootstrap.min.js; the timeout goes in | |
| 1468 | + // place of its one placeholder. | |
| 1469 | + // | |
| 1470 | + // The tag goes out through wp_print_inline_script_tag(), like Free's | |
| 1471 | + // other inline scripts, so a CSP plugin's wp_inline_script_attributes | |
| 1472 | + // filter can give it a nonce. Printed bare, a nonce CSP blocked it | |
| 1473 | + // and nothing was ever replayed. | |
| 1474 | + $js = str_replace( 'XSPEED_DELAY_TIMEOUT', (string) $timeout, self::delay_bootstrap_js() ); | |
| 1475 | + wp_print_inline_script_tag( $js, array( 'id' => 'xspeed-delay-bootstrap' ) ); | |
| 1061 | 1476 | } |
| 1062 | 1477 | |
| 1478 | + /** The delay bootstrap's code, read once per request. */ | |
| 1479 | + private static $delay_bootstrap_js = null; | |
| 1480 | + | |
| 1063 | 1481 | /** |
| 1482 | + * The built delay bootstrap, without the line that records its source. | |
| 1483 | + * If the build is missing, the readable source is valid JS too, only | |
| 1484 | + * larger: printing nothing would leave every delayed script parked for | |
| 1485 | + * good, because the tags are already rewritten by the time this runs. | |
| 1486 | + */ | |
| 1487 | + private static function delay_bootstrap_js(): string { | |
| 1488 | + if ( null !== self::$delay_bootstrap_js ) { | |
| 1489 | + return self::$delay_bootstrap_js; | |
| 1490 | + } | |
| 1491 | + $root = dirname( __DIR__ ); | |
| 1492 | + $built = $root . '/assets/delay-bootstrap.min.js'; | |
| 1493 | + // phpcs:ignore WordPress.WP.AlternativeFunctions.file_get_contents_file_get_contents -- a local plugin file, not a remote URL. | |
| 1494 | + $js = is_readable( $built ) ? (string) file_get_contents( $built ) : ''; | |
| 1495 | + if ( '' !== $js ) { | |
| 1496 | + $js = (string) preg_replace( '#\A/\*[^\n]*\*/\n#', '', $js ); | |
| 1497 | + } else { | |
| 1498 | + // phpcs:ignore WordPress.WP.AlternativeFunctions.file_get_contents_file_get_contents -- a local plugin file, not a remote URL. | |
| 1499 | + $js = (string) file_get_contents( $root . '/includes/js/delay-bootstrap.js' ); | |
| 1500 | + } | |
| 1501 | + self::$delay_bootstrap_js = trim( $js ); | |
| 1502 | + return self::$delay_bootstrap_js; | |
| 1503 | + } | |
| 1504 | + | |
| 1505 | + /** | |
| 1064 | 1506 | * Filter: `style_loader_tag` — wrap stylesheets in the |
| 1065 | 1507 | * print → onload="all" pattern so they download non-blocking. |
| 1066 | 1508 | * Pairs with critical CSS workflows. Adds a <noscript> fallback so |
| 1067 | 1509 | * users with JS disabled still get styles applied (via media="all"). |
| @@ -1081,8 +1523,21 @@ | ||
| 1081 | 1523 | // want to fight with explicit author intent. |
| 1082 | 1524 | if ( false === stripos( $tag, 'rel=\'stylesheet\'' ) && false === stripos( $tag, 'rel="stylesheet"' ) ) { |
| 1083 | 1525 | return $tag; |
| 1084 | 1526 | } |
| 1527 | + // No critical CSS for this page: every stylesheet stays blocking. | |
| 1528 | + // | |
| 1529 | + // Deferring a stylesheet only helps when something already styles the | |
| 1530 | + // first screen. Without that, the page paints unstyled and then jumps | |
| 1531 | + // when the sheets arrive. Measured on the Templately Astoria pages | |
| 1532 | + // (Elementor and a block theme): CLS 0.43-1.27 and 15-43 points lower | |
| 1533 | + // on 7 of 8 pages than the same settings without async CSS. The guards | |
| 1534 | + // below narrow the damage; this one removes it. WP Rocket, LiteSpeed, | |
| 1535 | + // Jetpack Boost and FlyingPress likewise never defer CSS without | |
| 1536 | + // critical CSS. (#588) | |
| 1537 | + if ( ! self::page_has_critical_css() ) { | |
| 1538 | + return $tag; | |
| 1539 | + } | |
| 1085 | 1540 | // The stylesheets that lay the page out stay render-blocking. |
| 1086 | 1541 | // |
| 1087 | 1542 | // This transform moves a sheet to AFTER first paint. That is the |
| 1088 | 1543 | // point of it — but a sheet the layout depends on is then missing |
| @@ -1389,12 +1844,19 @@ | ||
| 1389 | 1844 | * than a hard-coded list. |
| 1390 | 1845 | * - WordPress' own BLOCK and layout sheets (`wp-block-library`, |
| 1391 | 1846 | * `global-styles`, `classic-theme-styles`). These style block |
| 1392 | 1847 | * content on the front end and are as structural as the theme's. |
| 1848 | + * - A page builder's GRID sheets: the rows, columns, sections and | |
| 1849 | + * containers everything else sits in (`kadence-blocks-rowlayout`, | |
| 1850 | + * `kadence-blocks-column`, `elementor-frontend`, `elementor-post-N`). | |
| 1851 | + * On a builder page these lay out the hero, not the theme. Deferred, | |
| 1852 | + * the hero painted as one stacked column and then snapped into its | |
| 1853 | + * grid: CLS 0.665 on desktop, from one row. | |
| 1393 | 1854 | * |
| 1394 | - * Everything else — plugin sheets, icon fonts, widget and page-builder | |
| 1395 | - * add-ons, the long tail that makes async CSS worth having — is still | |
| 1396 | - * deferred, so the optimization keeps most of its benefit. | |
| 1855 | + * Everything else — plugin sheets, icon fonts, buttons, forms, the | |
| 1856 | + * builder's per-widget sheets, the long tail that makes async CSS worth | |
| 1857 | + * having — is still deferred, so the optimization keeps most of its | |
| 1858 | + * benefit. | |
| 1397 | 1859 | * |
| 1398 | 1860 | * A site WITH critical CSS can defer these too; that is what the |
| 1399 | 1861 | * `xspeed_async_css_layout_critical` filter is for. |
| 1400 | 1862 | * |
| @@ -1411,19 +1873,21 @@ | ||
| 1411 | 1873 | 'wp-block-library-theme', |
| 1412 | 1874 | 'global-styles', |
| 1413 | 1875 | 'classic-theme-styles', |
| 1414 | 1876 | ); |
| 1415 | - $critical = in_array( $handle, $core, true ); | |
| 1877 | + $critical = in_array( $handle, $core, true ) || self::is_builder_grid_style( $handle ); | |
| 1416 | 1878 | |
| 1417 | 1879 | // The active theme's own sheets. |
| 1418 | 1880 | // |
| 1419 | 1881 | // Matched on the theme stem, but NOT as a bare prefix: a plugin from |
| 1420 | 1882 | // the same vendor shares it (the Kadence theme is `kadence`, while |
| 1421 | - // `kadence-blocks-rowlayout` and `kadence-fonts-gfonts` come from the | |
| 1422 | - // Kadence Blocks PLUGIN and a webfont loader). Treating those as | |
| 1423 | - // layout-critical would leave almost nothing deferred and quietly | |
| 1424 | - // undo the feature. So the stem must be followed by a recognised | |
| 1425 | - // theme-area segment, which is how themes name their split sheets. | |
| 1883 | + // `kadence-blocks-image` and `kadence-fonts-gfonts` come from the | |
| 1884 | + // Kadence Blocks PLUGIN and a webfont loader). Treating every such | |
| 1885 | + // sheet as layout-critical would leave almost nothing deferred and | |
| 1886 | + // quietly undo the feature; the builder's grid sheets are caught | |
| 1887 | + // above by what they do, not whose they are. So the stem must be | |
| 1888 | + // followed by a recognised theme-area segment, which is how themes | |
| 1889 | + // name their split sheets. | |
| 1426 | 1890 | if ( ! $critical && function_exists( 'get_template' ) ) { |
| 1427 | 1891 | $areas = array( |
| 1428 | 1892 | 'style', |
| 1429 | 1893 | 'global', |
| @@ -1468,8 +1932,28 @@ | ||
| 1468 | 1932 | return (bool) apply_filters( 'xspeed_async_css_layout_critical', $critical, $handle ); |
| 1469 | 1933 | } |
| 1470 | 1934 | |
| 1471 | 1935 | /** |
| 1936 | + * Whether a handle is a page builder's grid sheet. | |
| 1937 | + * | |
| 1938 | + * Matched on the last segment of the handle, so a builder that names its | |
| 1939 | + * row sheet `acme-blocks-row-layout` is covered without being listed. The | |
| 1940 | + * segments are the ones that only ever carry structure; a button, image | |
| 1941 | + * or form sheet styles an element inside the grid, and the grid holds its | |
| 1942 | + * place while that sheet loads. | |
| 1943 | + * | |
| 1944 | + * @param string $handle Lowercase stylesheet handle. | |
| 1945 | + */ | |
| 1946 | + private static function is_builder_grid_style( string $handle ): bool { | |
| 1947 | + if ( preg_match( '#(?:^|-)(?:rowlayout|row-layout|column|columns|container|section|grid)$#', $handle ) ) { | |
| 1948 | + return true; | |
| 1949 | + } | |
| 1950 | + // Builders whose grid lives in a sheet named after the builder or the | |
| 1951 | + // post, not after a structural element. | |
| 1952 | + return (bool) preg_match( '#^(?:elementor-frontend|elementor-post-\d+|fl-builder-layout(?:-\d+)?|generateblocks)$#', $handle ); | |
| 1953 | + } | |
| 1954 | + | |
| 1955 | + /** | |
| 1472 | 1956 | * Filter: `style_loader_src` + `script_loader_src` — strip the |
| 1473 | 1957 | * ?ver=X.Y query string that WP appends for cache busting. Some |
| 1474 | 1958 | * CDNs / reverse proxies cache better when the URL has no query. |
| 1475 | 1959 | * |
| @@ -1670,9 +2154,201 @@ | ||
| 1670 | 2154 | 'wp-url', |
| 1671 | 2155 | 'wp-api-fetch', |
| 1672 | 2156 | ); |
| 1673 | 2157 | |
| 1674 | - private static function is_excluded_script( string $handle, string $src ): bool { | |
| 2158 | + /** | |
| 2159 | + * Consent managers are never deferred, and never delayed by a broad | |
| 2160 | + * setting — only a delay_js_targets entry that NAMES the vendor lifts | |
| 2161 | + * the floor (see user_named_consent_manager()); the | |
| 2162 | + * `xspeed_js_exclusion_floor` filter remains the code-level override. | |
| 2163 | + * | |
| 2164 | + * A consent banner is drawn by JavaScript, and it is the one thing on | |
| 2165 | + * the page that has to appear before anything else happens. Delay it | |
| 2166 | + * and a visitor who lands, reads and leaves without touching the page | |
| 2167 | + * is never asked — on an opt-in configuration the site then ran | |
| 2168 | + * without ever offering the choice. | |
| 2169 | + * | |
| 2170 | + * The editable list cannot carry this. A stored value replaces the | |
| 2171 | + * schema default outright (Settings_Manager::get()), so widening that | |
| 2172 | + * default would reach fresh installs only, and clearing the textarea | |
| 2173 | + * would drop the protection again. Same floor pattern as | |
| 2174 | + * Server_Rules::COOKIE_FLOOR. Trim or extend it through | |
| 2175 | + * `xspeed_js_exclusion_floor`. | |
| 2176 | + * | |
| 2177 | + * A URL token cannot survive a rewrite of that URL: Minify JS rewrites a | |
| 2178 | + * local script to a hashed /cache/xspeed/min/ path, and Combine JS folds | |
| 2179 | + * it into a bundle. On the enqueue path original_src() gives the pre-minify | |
| 2180 | + * URL back, but the buffer sweep has only the tag -- so with Minify JS on | |
| 2181 | + * and the `id` stripped, a banner shipped un-minified is not recognised. | |
| 2182 | + * Documented in docs/user/minification.md rather than papered over. | |
| 2183 | + * | |
| 2184 | + * Each entry goes through target_matches(): an exact handle OR a | |
| 2185 | + * case-insensitive URL substring. Both passes can match either — the | |
| 2186 | + * enqueue path is handed the handle, and the buffer sweep reads it back | |
| 2187 | + * out of the tag's `id`. A URL token additionally covers a banner that | |
| 2188 | + * was never enqueued at all, which is how Cookiebot prints itself. (#275) | |
| 2189 | + */ | |
| 2190 | + private const CONSENT_MANAGER_FLOOR = array( | |
| 2191 | + // Prefer a plugin-directory or vendor-host URL token over a handle. | |
| 2192 | + // A handle is only readable on the enqueue path and, on the buffer | |
| 2193 | + // sweep, only if the tag still carries the `id` WordPress prints — | |
| 2194 | + // which another plugin can strip. A URL token matches on both passes | |
| 2195 | + // and covers a banner that was never enqueued at all. (#275 QA) | |
| 2196 | + | |
| 2197 | + // CookieYes / GDPR Cookie Consent. Handle and plugin directory are | |
| 2198 | + // the same string, so this covers both paths. | |
| 2199 | + 'cookie-law-info', | |
| 2200 | + // Complianz: the plugin directory, covering -gdpr and -gdpr-premium. | |
| 2201 | + // Was the `cmplz-cookiebanner` handle, which needed the `id` tag. | |
| 2202 | + 'complianz', | |
| 2203 | + // NotificationX runs its GDPR cookie notice off the same handle as | |
| 2204 | + // every other notification, so excluding it excludes them all. That | |
| 2205 | + // is what the plugin's own team asked for. Directory token covers | |
| 2206 | + // the Pro build too; was the `notificationx-public` handle. | |
| 2207 | + 'notificationx', | |
| 2208 | + // Cookiebot prints its loader straight into wp_head, so only the | |
| 2209 | + // buffer sweep ever sees it. This is the token Cookiebot's own WP | |
| 2210 | + // Rocket and LiteSpeed integrations exclude. | |
| 2211 | + 'consent.cookiebot.com', | |
| 2212 | + // Cookie Notice — named in the original report and one of the most | |
| 2213 | + // installed consent plugins. Its banner is enqueued from | |
| 2214 | + // /plugins/cookie-notice/js/front.min.js. | |
| 2215 | + 'cookie-notice', | |
| 2216 | + // Cookie Notice in Cookie Compliance mode prints a different loader, | |
| 2217 | + // whose host is overridable via CN_APP_WIDGET_URL — so key on the | |
| 2218 | + // filename, not the CDN host. | |
| 2219 | + 'hu-banner', | |
| 2220 | + // Moove GDPR Cookie Compliance. Directory token: its handle | |
| 2221 | + // (`moove_gdpr_frontend`) does not appear in its own URL. | |
| 2222 | + 'gdpr-cookie-compliance', | |
| 2223 | + // Termly's resource blocker, which also covers the legacy embed. | |
| 2224 | + 'app.termly.io', | |
| 2225 | + // Usercentrics, reached three ways: Cookiebot's UC mode | |
| 2226 | + // (web.cmp.usercentrics.eu), Termageddon (app.usercentrics.eu) and | |
| 2227 | + // the privacy proxy. | |
| 2228 | + 'usercentrics.eu', | |
| 2229 | + // Iubenda: both the consent solution and the consent database SDK. | |
| 2230 | + 'cdn.iubenda.com', | |
| 2231 | + // OneTrust. Pasted snippet rather than a wordpress.org plugin, so | |
| 2232 | + // this is the SDK host rather than a verified plugin path. | |
| 2233 | + 'cdn.cookielaw.org', | |
| 2234 | + // Borlabs is commercial and renames its files per release; the | |
| 2235 | + // vendor's own guidance is that this string stays in every path. | |
| 2236 | + 'borlabs-cookie', | |
| 2237 | + // Real Cookie Banner, free and pro. Its anti-adblock mode serves the | |
| 2238 | + // banner from an anonymised path that no URL token can match — use | |
| 2239 | + // `xspeed_js_exclusion_floor` to add the handle on such a site. | |
| 2240 | + 'real-cookie-banner', | |
| 2241 | + // SureCookie. | |
| 2242 | + 'surecookie', | |
| 2243 | + ); | |
| 2244 | + | |
| 2245 | + /** | |
| 2246 | + * What a site owner types to name each floor entry, and what the admin | |
| 2247 | + * shows them. Keyed by CONSENT_MANAGER_FLOOR token; a test holds the two | |
| 2248 | + * in step. | |
| 2249 | + * | |
| 2250 | + * The keyword is the part of the token a person would actually write | |
| 2251 | + * (`cookiebot`, not `consent.cookiebot.com`), and it is always a substring | |
| 2252 | + * of the token, so an entry that names the vendor this way still matches | |
| 2253 | + * the vendor's URL. A brand name that appears nowhere in the URL | |
| 2254 | + * (`cookieyes`, `onetrust`, `cmplz`) is deliberately not a keyword: it | |
| 2255 | + * could never match the tag, so offering it would promise a lift that | |
| 2256 | + * cannot happen. The exact handle always works as well. | |
| 2257 | + * | |
| 2258 | + * Cookiebot in Usercentrics CMP mode loads from web.cmp.usercentrics.eu, | |
| 2259 | + * so the floor catches it as Usercentrics and `usercentrics` names it, | |
| 2260 | + * not `cookiebot`. | |
| 2261 | + */ | |
| 2262 | + private const CONSENT_MANAGER_NAMES = array( | |
| 2263 | + 'cookie-law-info' => array( 'label' => 'CookieYes', 'keyword' => 'cookie-law-info' ), | |
| 2264 | + 'complianz' => array( 'label' => 'Complianz', 'keyword' => 'complianz' ), | |
| 2265 | + 'notificationx' => array( 'label' => 'NotificationX', 'keyword' => 'notificationx' ), | |
| 2266 | + 'consent.cookiebot.com' => array( 'label' => 'Cookiebot', 'keyword' => 'cookiebot' ), | |
| 2267 | + 'cookie-notice' => array( 'label' => 'Cookie Notice', 'keyword' => 'cookie-notice' ), | |
| 2268 | + 'hu-banner' => array( 'label' => 'Cookie Notice (Cookie Compliance)', 'keyword' => 'hu-banner' ), | |
| 2269 | + 'gdpr-cookie-compliance' => array( 'label' => 'GDPR Cookie Compliance (Moove)', 'keyword' => 'gdpr-cookie-compliance' ), | |
| 2270 | + 'app.termly.io' => array( 'label' => 'Termly', 'keyword' => 'termly' ), | |
| 2271 | + 'usercentrics.eu' => array( 'label' => 'Usercentrics', 'keyword' => 'usercentrics' ), | |
| 2272 | + 'cdn.iubenda.com' => array( 'label' => 'Iubenda', 'keyword' => 'iubenda' ), | |
| 2273 | + 'cdn.cookielaw.org' => array( 'label' => 'OneTrust', 'keyword' => 'cookielaw' ), | |
| 2274 | + 'borlabs-cookie' => array( 'label' => 'Borlabs Cookie', 'keyword' => 'borlabs' ), | |
| 2275 | + 'real-cookie-banner' => array( 'label' => 'Real Cookie Banner', 'keyword' => 'real-cookie-banner' ), | |
| 2276 | + 'surecookie' => array( 'label' => 'SureCookie', 'keyword' => 'surecookie' ), | |
| 2277 | + ); | |
| 2278 | + | |
| 2279 | + /** | |
| 2280 | + * "Label (keyword)" for every built-in consent manager, for the admin. | |
| 2281 | + * | |
| 2282 | + * Reads the built-in list, not the filtered floor: the admin describes | |
| 2283 | + * what ships, and a site that trimmed the floor in code knows it did. | |
| 2284 | + * | |
| 2285 | + * @return string[] | |
| 2286 | + */ | |
| 2287 | + public static function consent_manager_labels(): array { | |
| 2288 | + $out = array(); | |
| 2289 | + foreach ( self::CONSENT_MANAGER_FLOOR as $token ) { | |
| 2290 | + $name = self::CONSENT_MANAGER_NAMES[ $token ] ?? array( | |
| 2291 | + 'label' => $token, | |
| 2292 | + 'keyword' => $token, | |
| 2293 | + ); | |
| 2294 | + $out[] = $name['label'] . ' (' . $name['keyword'] . ')'; | |
| 2295 | + } | |
| 2296 | + return $out; | |
| 2297 | + } | |
| 2298 | + | |
| 2299 | + /** | |
| 2300 | + * Per-request memo for exclusion_floor(). Null = not resolved. | |
| 2301 | + * | |
| 2302 | + * @var string[]|null | |
| 2303 | + */ | |
| 2304 | + private static $exclusion_floor = null; | |
| 2305 | + | |
| 2306 | + /** | |
| 2307 | + * The built-in exclusion floor, after the site has had its say. | |
| 2308 | + * | |
| 2309 | + * @return string[] | |
| 2310 | + */ | |
| 2311 | + private static function exclusion_floor(): array { | |
| 2312 | + if ( null === self::$exclusion_floor ) { | |
| 2313 | + /** | |
| 2314 | + * Scripts that are never deferred or delayed, whatever the | |
| 2315 | + * user's exclusion list holds. Each entry is an exact script | |
| 2316 | + * handle or a case-insensitive URL substring. | |
| 2317 | + * | |
| 2318 | + * Return the array minus a token to let Delay JS postpone that | |
| 2319 | + * consent manager on purpose; add one to protect another script. | |
| 2320 | + * | |
| 2321 | + * @param string[] $floor Built-in floor. | |
| 2322 | + */ | |
| 2323 | + $floor = apply_filters( 'xspeed_js_exclusion_floor', self::CONSENT_MANAGER_FLOOR ); | |
| 2324 | + self::$exclusion_floor = array_values( | |
| 2325 | + array_filter( array_map( 'strval', (array) $floor ), static fn( $t ) => '' !== $t ) | |
| 2326 | + ); | |
| 2327 | + } | |
| 2328 | + return self::$exclusion_floor; | |
| 2329 | + } | |
| 2330 | + | |
| 2331 | + /** | |
| 2332 | + * @param string $handle Script handle ('' on the buffer sweep | |
| 2333 | + * when no id survived). | |
| 2334 | + * @param string $src Script URL. | |
| 2335 | + * @param bool $named_lifts_floor Delay paths only: a delay_js_targets | |
| 2336 | + * entry that NAMES the consent manager | |
| 2337 | + * passes the floor (see | |
| 2338 | + * user_named_consent_manager()). Typing a | |
| 2339 | + * consent manager's name into an | |
| 2340 | + * allow-list is the site owner taking the | |
| 2341 | + * consent-timing decision back — GDPR is | |
| 2342 | + * theirs to weigh, not ours; the floor | |
| 2343 | + * only exists so Delay JS can't hide a | |
| 2344 | + * banner NOBODY pointed at. Their own | |
| 2345 | + * exclusion list, ALWAYS_EXCLUDED_HANDLES | |
| 2346 | + * and our beacons still win: on a | |
| 2347 | + * conflict between the user's two lists, | |
| 2348 | + * protection beats postponement. | |
| 2349 | + */ | |
| 2350 | + private static function is_excluded_script( string $handle, string $src, bool $named_lifts_floor = false ): bool { | |
| 1675 | 2351 | if ( in_array( $handle, self::ALWAYS_EXCLUDED_HANDLES, true ) ) { |
| 1676 | 2352 | return true; |
| 1677 | 2353 | } |
| 1678 | 2354 | // Never defer or delay our own scripts. The fold and RUM beacons |
| @@ -1685,8 +2361,24 @@ | ||
| 1685 | 2361 | // beacon added later cannot re-open the hole. |
| 1686 | 2362 | if ( 0 === strpos( $handle, 'xspeed-' ) ) { |
| 1687 | 2363 | return true; |
| 1688 | 2364 | } |
| 2365 | + // Ahead of the user list, and ahead of the empty-list early return | |
| 2366 | + // below: an install that saved the Minify panel before this shipped | |
| 2367 | + // has a stored list that knows nothing about consent managers, and | |
| 2368 | + // one that cleared the textarea has no list at all. Neither may | |
| 2369 | + // hide the banner. (#275) | |
| 2370 | + foreach ( self::exclusion_floor() as $needle ) { | |
| 2371 | + if ( self::floor_matches( $needle, $handle, $src ) ) { | |
| 2372 | + // `continue`, not `break`: a second floor token matching the | |
| 2373 | + // same tag has to be named too, or a filter-added token | |
| 2374 | + // would be lifted by an entry that names only the first. | |
| 2375 | + if ( $named_lifts_floor && self::user_named_consent_manager( $needle, $handle, $src ) ) { | |
| 2376 | + continue; | |
| 2377 | + } | |
| 2378 | + return true; | |
| 2379 | + } | |
| 2380 | + } | |
| 1689 | 2381 | $opts = self::opts(); |
| 1690 | 2382 | $excluded = is_array( $opts['defer_js_excluded'] ?? null ) ? $opts['defer_js_excluded'] : array(); |
| 1691 | 2383 | if ( empty( $excluded ) ) { |
| 1692 | 2384 | return false; |
| @@ -1702,8 +2394,56 @@ | ||
| 1702 | 2394 | return false; |
| 1703 | 2395 | } |
| 1704 | 2396 | |
| 1705 | 2397 | /** |
| 2398 | + * target_matches() for a floor token, with the site's own host removed | |
| 2399 | + * from the URL first. | |
| 2400 | + * | |
| 2401 | + * Floor tokens are plugin names, and a plugin's own website is often | |
| 2402 | + * named after the plugin. On notificationx.com the `notificationx` token | |
| 2403 | + * matched every same-origin script URL, so Defer JS and Delay JS skipped | |
| 2404 | + * every script on the site. The path still matches, so a script under | |
| 2405 | + * /plugins/notificationx/ keeps its protection, and a third-party host | |
| 2406 | + * such as consent.cookiebot.com still matches in full. | |
| 2407 | + * | |
| 2408 | + * @param string $needle Floor token. | |
| 2409 | + * @param string $handle Script handle. | |
| 2410 | + * @param string $src Script URL. | |
| 2411 | + */ | |
| 2412 | + private static function floor_matches( string $needle, string $handle, string $src ): bool { | |
| 2413 | + if ( '' === $needle ) { | |
| 2414 | + return false; | |
| 2415 | + } | |
| 2416 | + if ( $handle === $needle ) { | |
| 2417 | + return true; | |
| 2418 | + } | |
| 2419 | + foreach ( array( $src, self::original_src( $handle ) ) as $url ) { | |
| 2420 | + $url = self::without_own_host( $url ); | |
| 2421 | + if ( '' !== $url && false !== stripos( $url, $needle ) ) { | |
| 2422 | + return true; | |
| 2423 | + } | |
| 2424 | + } | |
| 2425 | + return false; | |
| 2426 | + } | |
| 2427 | + | |
| 2428 | + /** | |
| 2429 | + * The URL without its scheme and host when the host is the site's own. | |
| 2430 | + * Any other URL comes back unchanged. | |
| 2431 | + * | |
| 2432 | + * @param string $url Script URL. | |
| 2433 | + */ | |
| 2434 | + private static function without_own_host( string $url ): string { | |
| 2435 | + if ( '' === $url || ! function_exists( 'home_url' ) ) { | |
| 2436 | + return $url; | |
| 2437 | + } | |
| 2438 | + $host = (string) wp_parse_url( home_url(), PHP_URL_HOST ); | |
| 2439 | + if ( '' === $host ) { | |
| 2440 | + return $url; | |
| 2441 | + } | |
| 2442 | + return (string) preg_replace( '#^(?:https?:)?//' . preg_quote( $host, '#' ) . '(?::\d+)?(?=[/?\#]|$)#i', '', $url ); | |
| 2443 | + } | |
| 2444 | + | |
| 2445 | + /** | |
| 1706 | 2446 | * Include-list targeting for delay (issue #36): when delay_js_targets |
| 1707 | 2447 | * is non-empty, ONLY matching scripts are delayed — a heavy |
| 1708 | 2448 | * third-party embed can be postponed without delaying the whole |
| 1709 | 2449 | * page's JS. Empty targets = historical behavior (delay everything |
| @@ -1753,8 +2493,203 @@ | ||
| 1753 | 2493 | } |
| 1754 | 2494 | return false; |
| 1755 | 2495 | } |
| 1756 | 2496 | |
| 2497 | + /** | |
| 2498 | + * Whether a delay_js_targets entry NAMES the consent manager whose floor | |
| 2499 | + * token matched this tag, and so lifts the floor for it. | |
| 2500 | + * | |
| 2501 | + * is_user_named_target() is not enough here: it asks whether any entry | |
| 2502 | + * matches the tag, and a delay target is a URL substring. `/plugins/`, | |
| 2503 | + * `.js`, `min.js`, `frontend` or the site's own host each match every | |
| 2504 | + * consent banner on the page, so one broad entry switched the floor off | |
| 2505 | + * for all of them and brought #275 back. An entry names the vendor when | |
| 2506 | + * it is the exact handle, or when it contains the vendor's keyword (or | |
| 2507 | + * its floor token) and still matches the tag, so `notificationx` and | |
| 2508 | + * `/plugins/notificationx/` lift NotificationX, `termly` cannot lift | |
| 2509 | + * Cookiebot, and `/plugins/` lifts nothing. | |
| 2510 | + * | |
| 2511 | + * A token added through `xspeed_js_exclusion_floor` has no keyword, so | |
| 2512 | + * only an entry containing that token, or the exact handle, names it. | |
| 2513 | + * | |
| 2514 | + * @param string $floor_token The floor entry that matched this tag. | |
| 2515 | + * @param string $handle Script handle ('' when unknown). | |
| 2516 | + * @param string $src Script URL, or the body on the inline pass. | |
| 2517 | + */ | |
| 2518 | + private static function user_named_consent_manager( string $floor_token, string $handle, string $src ): bool { | |
| 2519 | + $opts = self::opts(); | |
| 2520 | + $targets = is_array( $opts['delay_js_targets'] ?? null ) ? $opts['delay_js_targets'] : array(); | |
| 2521 | + $names = array( $floor_token ); | |
| 2522 | + if ( isset( self::CONSENT_MANAGER_NAMES[ $floor_token ] ) ) { | |
| 2523 | + $names[] = self::CONSENT_MANAGER_NAMES[ $floor_token ]['keyword']; | |
| 2524 | + } | |
| 2525 | + foreach ( $targets as $needle ) { | |
| 2526 | + $needle = trim( (string) $needle ); | |
| 2527 | + if ( '' === $needle ) { | |
| 2528 | + continue; | |
| 2529 | + } | |
| 2530 | + $names_it = '' !== $handle && $handle === $needle; | |
| 2531 | + foreach ( $names as $name ) { | |
| 2532 | + if ( false !== stripos( $needle, $name ) ) { | |
| 2533 | + $names_it = true; | |
| 2534 | + break; | |
| 2535 | + } | |
| 2536 | + } | |
| 2537 | + if ( $names_it && self::target_matches( $needle, $handle, $src ) ) { | |
| 2538 | + return true; | |
| 2539 | + } | |
| 2540 | + } | |
| 2541 | + return false; | |
| 2542 | + } | |
| 2543 | + | |
| 2544 | + /** Both toggles on: delay_js and its carry-the-inline-snippets mode. */ | |
| 2545 | + private static function smart_delay_enabled(): bool { | |
| 2546 | + $opts = self::opts(); | |
| 2547 | + return ! empty( $opts['delay_js'] ) && ! empty( $opts['delay_js_smart'] ); | |
| 2548 | + } | |
| 2549 | + | |
| 2550 | + /** | |
| 2551 | + * Would Smart Delay postpone this handle's tag? | |
| 2552 | + * | |
| 2553 | + * The snippet-parking filter runs when WordPress prints a handle's | |
| 2554 | + * `before` snippet — BEFORE script_loader_tag sees the tag itself — so | |
| 2555 | + * the decision cannot be read back from what happened to the tag; both | |
| 2556 | + * sides evaluate this same predicate. It mirrors the handle/src checks | |
| 2557 | + * of delay_script_tag() only: the tag-level outs there (an optimizer | |
| 2558 | + * opt-out attribute, a non-executable type) are invisible here, so a | |
| 2559 | + * tag that keeps itself eager through one of those can still have its | |
| 2560 | + * snippets parked. That parks an init until first interaction rather | |
| 2561 | + * than throwing, and Smart Delay is opt-in — acceptable, and documented | |
| 2562 | + * on the setting. | |
| 2563 | + */ | |
| 2564 | + private static function smart_delays_handle( string $handle ): bool { | |
| 2565 | + if ( '' === $handle ) { | |
| 2566 | + return false; | |
| 2567 | + } | |
| 2568 | + // Check the URL delay_script_tag() checks. original_src() is set | |
| 2569 | + // only when Minify JS rewrote the URL, so with Minify JS off it was | |
| 2570 | + // '' here. A URL exclusion then passed here and failed there, and | |
| 2571 | + // the snippets were parked while the script stayed live. | |
| 2572 | + $src = self::original_src( $handle ); | |
| 2573 | + if ( '' === $src ) { | |
| 2574 | + $src = self::registered_src( $handle ); | |
| 2575 | + } | |
| 2576 | + if ( self::is_excluded_script( $handle, $src, true ) ) { | |
| 2577 | + return false; | |
| 2578 | + } | |
| 2579 | + return self::is_delay_target( $handle, $src ); | |
| 2580 | + } | |
| 2581 | + | |
| 2582 | + /** | |
| 2583 | + * A handle's registered URL, made absolute the way WP_Scripts prints it, | |
| 2584 | + * without the version query. '' when the handle has no file. | |
| 2585 | + * | |
| 2586 | + * @param string $handle Script handle. | |
| 2587 | + */ | |
| 2588 | + private static function registered_src( string $handle ): string { | |
| 2589 | + if ( ! function_exists( 'wp_scripts' ) ) { | |
| 2590 | + return ''; | |
| 2591 | + } | |
| 2592 | + $scripts = wp_scripts(); | |
| 2593 | + if ( ! $scripts instanceof \WP_Scripts ) { | |
| 2594 | + return ''; | |
| 2595 | + } | |
| 2596 | + $reg = $scripts->registered[ $handle ] ?? null; | |
| 2597 | + $src = ( is_object( $reg ) && is_string( $reg->src ) ) ? $reg->src : ''; | |
| 2598 | + if ( '' !== $src && ! preg_match( '#^(?:https?:)?//#i', $src ) ) { | |
| 2599 | + $src = (string) ( $scripts->base_url ?? '' ) . $src; | |
| 2600 | + } | |
| 2601 | + return $src; | |
| 2602 | + } | |
| 2603 | + | |
| 2604 | + /** | |
| 2605 | + * Filter: `script_loader_tag`, after every other xSpeed pass. Un-park a | |
| 2606 | + * handle's before/after snippets when its external tag was not delayed. | |
| 2607 | + * | |
| 2608 | + * park_smart_inline() decides before the tag exists, so a later rule | |
| 2609 | + * that keeps the tag live (an opt-out attribute, a non-executable type, | |
| 2610 | + * the late opt-out revert, another plugin's filter) left the snippets | |
| 2611 | + * parked and the script live. The script then ran without the config | |
| 2612 | + * its `before` snippet sets, which is how Elementor's frontend lost | |
| 2613 | + * elementorFrontendConfig. This filter makes that state impossible. | |
| 2614 | + * | |
| 2615 | + * @param string $tag | |
| 2616 | + * @param string $handle | |
| 2617 | + * @param string $src | |
| 2618 | + */ | |
| 2619 | + public static function unpark_orphaned_smart_inline( $tag, $handle, $src ): string { | |
| 2620 | + if ( ! is_string( $tag ) || '' === $tag || '' === (string) $handle || false === stripos( $tag, 'text/xspeed-delayed' ) ) { | |
| 2621 | + return (string) $tag; | |
| 2622 | + } | |
| 2623 | + // Only the external tag in this string can carry data-xs-src. Its | |
| 2624 | + // `src` is gone once delayed, so open_tag_offsets() cannot find it. | |
| 2625 | + if ( preg_match( '#<script\b[^>]*(?<![-\w])data-xs-src\s*=#i', $tag ) ) { | |
| 2626 | + return $tag; | |
| 2627 | + } | |
| 2628 | + return (string) preg_replace_callback( | |
| 2629 | + '#<script\b([^>]*\sid\s*=\s*(["\'])' . preg_quote( (string) $handle, '#' ) . '-js-(?:before|after)\2[^>]*)>#i', | |
| 2630 | + static function ( array $m ): string { | |
| 2631 | + $attrs = $m[1]; | |
| 2632 | + if ( 'text/xspeed-delayed' !== self::extract_type( $attrs ) ) { | |
| 2633 | + return $m[0]; | |
| 2634 | + } | |
| 2635 | + $orig = preg_match( '#\sdata-xs-type\s*=\s*(["\'])([^"\']*)\1#i', $attrs, $t ) ? $t[2] : ''; | |
| 2636 | + $attrs = (string) preg_replace( self::TYPE_ATTR_RE, '', $attrs ); | |
| 2637 | + $attrs = (string) preg_replace( '#\sdata-xs-(?:delay|type)\s*=\s*(["\'])[^"\']*\1#i', '', $attrs ); | |
| 2638 | + if ( '' !== $orig ) { | |
| 2639 | + $attrs .= ' type="' . esc_attr( $orig ) . '"'; | |
| 2640 | + } | |
| 2641 | + return '<script' . $attrs . '>'; | |
| 2642 | + }, | |
| 2643 | + $tag | |
| 2644 | + ); | |
| 2645 | + } | |
| 2646 | + | |
| 2647 | + /** | |
| 2648 | + * Park a delayed handle's own before/after snippet, in Smart Delay mode. | |
| 2649 | + * | |
| 2650 | + * Runs on `wp_inline_script_attributes`, which fires for every inline | |
| 2651 | + * script WordPress prints itself — so it works on pages the HTML buffer | |
| 2652 | + * never filters (a BYPASS route like /cart), where the handle's tag is | |
| 2653 | + * still delayed by script_loader_tag. `-js-extra` stays eager on | |
| 2654 | + * purpose: it is data assignments, harmless early and sometimes read by | |
| 2655 | + * eager code. | |
| 2656 | + * | |
| 2657 | + * @param mixed $attributes Inline script attributes. | |
| 2658 | + * @param string $javascript The snippet body. | |
| 2659 | + * @return mixed | |
| 2660 | + */ | |
| 2661 | + public static function park_smart_inline( $attributes, $javascript = '' ) { | |
| 2662 | + if ( ! is_array( $attributes ) || ! self::smart_delay_enabled() || self::skip_in_non_frontend_context() ) { | |
| 2663 | + return $attributes; | |
| 2664 | + } | |
| 2665 | + $id = isset( $attributes['id'] ) ? (string) $attributes['id'] : ''; | |
| 2666 | + if ( ! preg_match( '#^(.+)-js-(?:before|after)$#', $id, $m ) ) { | |
| 2667 | + return $attributes; | |
| 2668 | + } | |
| 2669 | + if ( ! self::smart_delays_handle( $m[1] ) ) { | |
| 2670 | + return $attributes; | |
| 2671 | + } | |
| 2672 | + $type = isset( $attributes['type'] ) ? (string) $attributes['type'] : ''; | |
| 2673 | + if ( in_array( $type, self::NON_EXECUTABLE_TYPES, true ) ) { | |
| 2674 | + return $attributes; // data, or parked by someone else on purpose. | |
| 2675 | + } | |
| 2676 | + // A delayed document.write replays after the document has closed | |
| 2677 | + // and replaces the page. Same rule as delay_inline_snippets(). | |
| 2678 | + if ( false !== stripos( (string) $javascript, 'document.write' ) ) { | |
| 2679 | + return $attributes; | |
| 2680 | + } | |
| 2681 | + if ( '' !== $type && ! in_array( $type, self::DEFAULT_JS_TYPES, true ) ) { | |
| 2682 | + $stash = (string) preg_replace( '#[^a-z0-9/+.\-]#', '', $type ); | |
| 2683 | + if ( '' !== $stash ) { | |
| 2684 | + $attributes['data-xs-type'] = $stash; | |
| 2685 | + } | |
| 2686 | + } | |
| 2687 | + $attributes['type'] = 'text/xspeed-delayed'; | |
| 2688 | + $attributes['data-xs-delay'] = '1'; | |
| 2689 | + return $attributes; | |
| 2690 | + } | |
| 2691 | + | |
| 1757 | 2692 | private static function is_delay_target( string $handle, string $src ): bool { |
| 1758 | 2693 | $opts = self::opts(); |
| 1759 | 2694 | $targets = is_array( $opts['delay_js_targets'] ?? null ) ? $opts['delay_js_targets'] : array(); |
| 1760 | 2695 | $targets = array_filter( array_map( 'strval', $targets ), static fn( $t ) => '' !== $t ); |
| @@ -1891,10 +2826,13 @@ | ||
| 1891 | 2826 | self::$opts = null; |
| 1892 | 2827 | self::$uploads_base = null; |
| 1893 | 2828 | self::$delay_bootstrap_printed = false; |
| 1894 | 2829 | self::$js_measured_layout = null; |
| 2830 | + self::$has_critical_css = null; | |
| 2831 | + self::$exclusion_floor = null; | |
| 1895 | 2832 | self::$inline_bound_handles = null; |
| 1896 | 2833 | self::$pristine_tag = array(); |
| 2834 | + self::$our_late_attrs = array(); | |
| 1897 | 2835 | } |
| 1898 | 2836 | |
| 1899 | 2837 | /** |
| 1900 | 2838 | * Per-request memo for inline_bound_handles(). Null = not resolved. |
| @@ -2046,8 +2984,41 @@ | ||
| 2046 | 2984 | * |
| 2047 | 2985 | * @var bool|null |
| 2048 | 2986 | */ |
| 2049 | 2987 | private static $js_measured_layout = null; |
| 2988 | + | |
| 2989 | + /** | |
| 2990 | + * Per-request memo for page_has_critical_css(). Null = not resolved. | |
| 2991 | + * | |
| 2992 | + * @var bool|null | |
| 2993 | + */ | |
| 2994 | + private static $has_critical_css = null; | |
| 2995 | + | |
| 2996 | + /** | |
| 2997 | + * Does something inline critical CSS for the page being served? | |
| 2998 | + * | |
| 2999 | + * Free generates none, so the answer comes from the filter: an extension | |
| 3000 | + * that inlines critical CSS for this page returns true, and a site whose | |
| 3001 | + * theme ships its own can too. Resolved once per request, because every | |
| 3002 | + * stylesheet tag asks. | |
| 3003 | + */ | |
| 3004 | + public static function page_has_critical_css(): bool { | |
| 3005 | + if ( null === self::$has_critical_css ) { | |
| 3006 | + /** | |
| 3007 | + * Whether the page being served has critical CSS inlined in its head. | |
| 3008 | + * | |
| 3009 | + * Async CSS defers stylesheets only when this is true; without | |
| 3010 | + * critical CSS it leaves them render-blocking, because deferring | |
| 3011 | + * them makes the page paint unstyled and shift. Return true when | |
| 3012 | + * something inlines critical CSS for this page, or to keep deferring | |
| 3013 | + * without it. | |
| 3014 | + * | |
| 3015 | + * @param bool $has_critical_css Default false. | |
| 3016 | + */ | |
| 3017 | + self::$has_critical_css = (bool) apply_filters( 'xspeed_async_css_page_has_critical_css', false ); | |
| 3018 | + } | |
| 3019 | + return self::$has_critical_css; | |
| 3020 | + } | |
| 2050 | 3021 | |
| 2051 | 3022 | /** |
| 2052 | 3023 | * Scripts that lay out the page by measuring the DOM. |
| 2053 | 3024 | * |
