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autoptimize / classes / autoptimizeExtra.php

autoptimizeExtra.php in Autoptimize 2.8.2, at classes/autoptimizeExtra.php

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1 <?php
2 /**
3 * Handles autoptimizeExtra frontend features + admin options page
4 */
5
6 if ( ! defined( 'ABSPATH' ) ) {
7 exit;
8 }
9
10 class autoptimizeExtra
11 {
12 /**
13 * Options
14 *
15 * @var array
16 */
17 protected $options = array();
18
19 /**
20 * Singleton instance.
21 *
22 * @var self|null
23 */
24 protected static $instance = null;
25
26 /**
27 * Creates an instance and calls run().
28 *
29 * @param array $options Optional. Allows overriding options without having to specify them via admin options page.
30 */
31 public function __construct( $options = array() )
32 {
33 if ( empty( $options ) ) {
34 $options = self::fetch_options();
35 }
36
37 $this->options = $options;
38 }
39
40 /**
41 * Helper for getting a singleton instance. While being an
42 * anti-pattern generally, it comes in handy for now from a
43 * readability/maintainability perspective, until we get some
44 * proper dependency injection going.
45 *
46 * @return self
47 */
48 public static function instance()
49 {
50 if ( null === self::$instance ) {
51 self::$instance = new self();
52 }
53
54 return self::$instance;
55 }
56
57 public function run()
58 {
59 if ( is_admin() ) {
60 if ( is_multisite() && is_network_admin() && autoptimizeOptionWrapper::is_ao_active_for_network() ) {
61 add_action( 'network_admin_menu', array( $this, 'admin_menu' ) );
62 } else {
63 add_action( 'admin_menu', array( $this, 'admin_menu' ) );
64 }
65 add_filter( 'autoptimize_filter_settingsscreen_tabs', array( $this, 'add_extra_tab' ) );
66 } else {
67 add_action( 'wp', array( $this, 'run_on_frontend' ) );
68 }
69 }
70
71 public function set_options( array $options )
72 {
73 $this->options = $options;
74
75 return $this;
76 }
77
78 public static function fetch_options()
79 {
80 $value = autoptimizeOptionWrapper::get_option( 'autoptimize_extra_settings' );
81 if ( empty( $value ) ) {
82 // Fallback to returning defaults when no stored option exists yet.
83 $value = autoptimizeConfig::get_ao_extra_default_options();
84 }
85
86 return $value;
87 }
88
89 public function disable_emojis()
90 {
91 // Removing all actions related to emojis!
92 remove_action( 'admin_print_styles', 'print_emoji_styles' );
93 remove_action( 'wp_head', 'print_emoji_detection_script', 7 );
94 remove_action( 'admin_print_scripts', 'print_emoji_detection_script' );
95 remove_action( 'wp_print_styles', 'print_emoji_styles' );
96 remove_filter( 'wp_mail', 'wp_staticize_emoji_for_email' );
97 remove_filter( 'the_content_feed', 'wp_staticize_emoji' );
98 remove_filter( 'comment_text_rss', 'wp_staticize_emoji' );
99
100 // Removes TinyMCE emojis.
101 add_filter( 'tiny_mce_plugins', array( $this, 'filter_disable_emojis_tinymce' ) );
102
103 // Removes emoji dns-preftech.
104 add_filter( 'wp_resource_hints', array( $this, 'filter_remove_emoji_dns_prefetch' ), 10, 2 );
105 }
106
107 public function filter_disable_emojis_tinymce( $plugins )
108 {
109 if ( is_array( $plugins ) ) {
110 return array_diff( $plugins, array( 'wpemoji' ) );
111 } else {
112 return array();
113 }
114 }
115
116 public function filter_remove_qs( $src )
117 {
118 if ( strpos( $src, '?ver=' ) ) {
119 $src = remove_query_arg( 'ver', $src );
120 }
121
122 return $src;
123 }
124
125 public function extra_async_js( $in )
126 {
127 $exclusions = array();
128 if ( ! empty( $in ) ) {
129 $exclusions = array_fill_keys( array_filter( array_map( 'trim', explode( ',', $in ) ) ), '' );
130 }
131
132 $settings = $this->options['autoptimize_extra_text_field_3'];
133 $async = array_fill_keys( array_filter( array_map( 'trim', explode( ',', $settings ) ) ), '' );
134 $attr = apply_filters( 'autoptimize_filter_extra_async', 'async' );
135 foreach ( $async as $k => $v ) {
136 $async[ $k ] = $attr;
137 }
138
139 // Merge exclusions & asyncs in one array and return to AO API.
140 $merged = array_merge( $exclusions, $async );
141
142 return $merged;
143 }
144
145 public function run_on_frontend()
146 {
147 // only run the Extra optimizations on frontend if general conditions
148 // for optimizations are met, this to ensure e.g. removing querystrings
149 // is not done when optimizing for logged in users is off, breaking
150 // some pagebuilders (Divi & Elementor).
151 if ( false === autoptimizeMain::should_buffer() ) {
152 return;
153 }
154
155 $options = $this->options;
156
157 // Disable emojis if specified.
158 if ( ! empty( $options['autoptimize_extra_checkbox_field_1'] ) ) {
159 $this->disable_emojis();
160 }
161
162 // Remove version query parameters.
163 if ( ! empty( $options['autoptimize_extra_checkbox_field_0'] ) ) {
164 add_filter( 'script_loader_src', array( $this, 'filter_remove_qs' ), 15, 1 );
165 add_filter( 'style_loader_src', array( $this, 'filter_remove_qs' ), 15, 1 );
166 }
167
168 // Avoiding conflicts of interest when async-javascript plugin is active!
169 $async_js_plugin_active = autoptimizeUtils::is_plugin_active( 'async-javascript/async-javascript.php' );
170 if ( ! empty( $options['autoptimize_extra_text_field_3'] ) && ! $async_js_plugin_active ) {
171 add_filter( 'autoptimize_filter_js_exclude', array( $this, 'extra_async_js' ), 10, 1 );
172 }
173
174 // Optimize google fonts!
175 if ( ! empty( $options['autoptimize_extra_radio_field_4'] ) && ( '1' !== $options['autoptimize_extra_radio_field_4'] ) ) {
176 add_filter( 'wp_resource_hints', array( $this, 'filter_remove_gfonts_dnsprefetch' ), 10, 2 );
177 add_filter( 'autoptimize_html_after_minify', array( $this, 'filter_optimize_google_fonts' ), 10, 1 );
178 add_filter( 'autoptimize_extra_filter_tobepreconn', array( $this, 'filter_preconnect_google_fonts' ), 10, 1 );
179 }
180
181 // Preconnect!
182 if ( ! empty( $options['autoptimize_extra_text_field_2'] ) || has_filter( 'autoptimize_extra_filter_tobepreconn' ) ) {
183 add_filter( 'wp_resource_hints', array( $this, 'filter_preconnect' ), 10, 2 );
184 }
185
186 // Preload!
187 if ( ! empty( $options['autoptimize_extra_text_field_7'] ) || has_filter( 'autoptimize_filter_extra_tobepreloaded' ) ) {
188 add_filter( 'autoptimize_html_after_minify', array( $this, 'filter_preload' ), 10, 2 );
189 }
190 }
191
192 public function filter_remove_emoji_dns_prefetch( $urls, $relation_type )
193 {
194 $emoji_svg_url = apply_filters( 'emoji_svg_url', 'https://s.w.org/images/core/emoji/' );
195
196 return $this->filter_remove_dns_prefetch( $urls, $relation_type, $emoji_svg_url );
197 }
198
199 public function filter_remove_gfonts_dnsprefetch( $urls, $relation_type )
200 {
201 return $this->filter_remove_dns_prefetch( $urls, $relation_type, 'fonts.googleapis.com' );
202 }
203
204 public function filter_remove_dns_prefetch( $urls, $relation_type, $url_to_remove )
205 {
206 $url_to_remove = (string) $url_to_remove;
207
208 if ( ! empty( $url_to_remove ) && 'dns-prefetch' === $relation_type ) {
209 $cnt = 0;
210 foreach ( $urls as $url ) {
211 if ( false !== strpos( $url, $url_to_remove ) ) {
212 unset( $urls[ $cnt ] );
213 }
214 $cnt++;
215 }
216 }
217
218 return $urls;
219 }
220
221 public function filter_optimize_google_fonts( $in )
222 {
223 // Extract fonts, partly based on wp rocket's extraction code.
224 $markup = preg_replace( '/<!--(.*)-->/Uis', '', $in );
225 preg_match_all( '#<link(?:\s+(?:(?!href\s*=\s*)[^>])+)?(?:\s+href\s*=\s*([\'"])((?:https?:)?\/\/fonts\.googleapis\.com\/css(?:(?!\1).)+)\1)(?:\s+[^>]*)?>#iU', $markup, $matches );
226
227 $fonts_collection = array();
228 if ( ! $matches[2] ) {
229 return $in;
230 }
231
232 // Store them in $fonts array.
233 $i = 0;
234 foreach ( $matches[2] as $font ) {
235 if ( ! preg_match( '/rel=["\']dns-prefetch["\']/', $matches[0][ $i ] ) ) {
236 // Get fonts name.
237 $font = str_replace( array( '%7C', '%7c' ), '|', $font );
238 if ( strpos( $font, 'fonts.googleapis.com/css2' ) !== false ) {
239 // (Somewhat) change Google Fonts APIv2 syntax back to v1.
240 // todo: support for 100..900
241 $font = rawurldecode( $font );
242 $font = str_replace( array( 'css2?', 'ital,wght@', 'wght@', 'ital@', '0,', '1,', ':1', ';', '&family=' ), array( 'css?', '', '', '', '', 'italic', ':italic', ',', '%7C' ), $font );
243 }
244 $font = explode( 'family=', $font );
245 $font = ( isset( $font[1] ) ) ? explode( '&', $font[1] ) : array();
246 // Add font to $fonts[$i] but make sure not to pollute with an empty family!
247 $_thisfont = array_values( array_filter( explode( '|', reset( $font ) ) ) );
248 if ( ! empty( $_thisfont ) ) {
249 $fonts_collection[ $i ]['fonts'] = $_thisfont;
250 // And add subset if any!
251 $subset = ( is_array( $font ) ) ? end( $font ) : '';
252 if ( false !== strpos( $subset, 'subset=' ) ) {
253 $subset = str_replace( array( '%2C', '%2c' ), ',', $subset );
254 $subset = explode( 'subset=', $subset );
255 $fonts_collection[ $i ]['subsets'] = explode( ',', $subset[1] );
256 }
257 }
258 // And remove Google Fonts.
259 $in = str_replace( $matches[0][ $i ], '', $in );
260 }
261 $i++;
262 }
263
264 $options = $this->options;
265 $fonts_markup = '';
266 if ( '2' === $options['autoptimize_extra_radio_field_4'] ) {
267 // Remove Google Fonts.
268 unset( $fonts_collection );
269 return $in;
270 } elseif ( '3' === $options['autoptimize_extra_radio_field_4'] || '5' === $options['autoptimize_extra_radio_field_4'] ) {
271 // Aggregate & link!
272 $fonts_string = '';
273 $subset_string = '';
274 foreach ( $fonts_collection as $font ) {
275 $fonts_string .= '|' . trim( implode( '|', $font['fonts'] ), '|' );
276 if ( ! empty( $font['subsets'] ) ) {
277 $subset_string .= ',' . trim( implode( ',', $font['subsets'] ), ',' );
278 }
279 }
280
281 if ( ! empty( $subset_string ) ) {
282 $subset_string = str_replace( ',', '%2C', ltrim( $subset_string, ',' ) );
283 $fonts_string = $fonts_string . '&#038;subset=' . $subset_string;
284 }
285
286 $fonts_string = apply_filters( 'autoptimize_filter_extra_gfont_fontstring', str_replace( '|', '%7C', ltrim( $fonts_string, '|' ) ) );
287 // only add display parameter if there is none in $fonts_string (by virtue of the filter).
288 if ( strpos( $fonts_string, 'display=' ) === false ) {
289 $fonts_string .= apply_filters( 'autoptimize_filter_extra_gfont_display', '&amp;display=swap' );
290 }
291
292 if ( ! empty( $fonts_string ) ) {
293 if ( '5' === $options['autoptimize_extra_radio_field_4'] ) {
294 $rel_string = 'rel="stylesheet" media="print" onload="' . autoptimizeConfig::get_ao_css_preload_onload() . '"';
295 } else {
296 $rel_string = 'rel="stylesheet"';
297 }
298 $fonts_markup = '<link ' . $rel_string . ' id="ao_optimized_gfonts" href="https://fonts.googleapis.com/css?family=' . $fonts_string . '" />';
299 }
300 } elseif ( '4' === $options['autoptimize_extra_radio_field_4'] ) {
301 // Aggregate & load async (webfont.js impl.)!
302 $fonts_array = array();
303 foreach ( $fonts_collection as $_fonts ) {
304 if ( ! empty( $_fonts['subsets'] ) ) {
305 $_subset = implode( ',', $_fonts['subsets'] );
306 foreach ( $_fonts['fonts'] as $key => $_one_font ) {
307 $_one_font = $_one_font . ':' . $_subset;
308 $_fonts['fonts'][ $key ] = $_one_font;
309 }
310 }
311 $fonts_array = array_merge( $fonts_array, $_fonts['fonts'] );
312 }
313
314 $fonts_array = array_map( 'urldecode', $fonts_array );
315 $fonts_array = array_map(
316 function( $_f ) {
317 return trim( $_f, ',' );
318 },
319 $fonts_array
320 );
321
322 // type attrib on <script not added by default.
323 $type_js = '';
324 if ( apply_filters( 'autoptimize_filter_cssjs_addtype', false ) ) {
325 $type_js = 'type="text/javascript" ';
326 }
327
328 $fonts_markup = '<script ' . $type_js . 'data-cfasync="false" id="ao_optimized_gfonts_config">WebFontConfig={google:{families:' . wp_json_encode( $fonts_array ) . ' },classes:false, events:false, timeout:1500};</script>';
329 $fonts_library_markup = '<script ' . $type_js . 'data-cfasync="false" id="ao_optimized_gfonts_webfontloader">(function() {var wf = document.createElement(\'script\');wf.src=\'https://ajax.googleapis.com/ajax/libs/webfont/1/webfont.js\';wf.type=\'text/javascript\';wf.async=\'true\';var s=document.getElementsByTagName(\'script\')[0];s.parentNode.insertBefore(wf, s);})();</script>';
330 $in = substr_replace( $in, $fonts_library_markup . '</head>', strpos( $in, '</head>' ), strlen( '</head>' ) );
331 }
332
333 // Replace back in markup.
334 $inject_point = apply_filters( 'autoptimize_filter_extra_gfont_injectpoint', '<link' );
335 $out = substr_replace( $in, $fonts_markup . $inject_point, strpos( $in, $inject_point ), strlen( $inject_point ) );
336 unset( $fonts_collection );
337
338 return $out;
339 }
340
341 public function filter_preconnect( $hints, $relation_type )
342 {
343 $options = $this->options;
344 $preconns = array();
345
346 // Get settings and store in array.
347 if ( array_key_exists( 'autoptimize_extra_text_field_2', $options ) ) {
348 $preconns = array_filter( array_map( 'trim', explode( ',', $options['autoptimize_extra_text_field_2'] ) ) );
349 }
350 $preconns = apply_filters( 'autoptimize_extra_filter_tobepreconn', $preconns );
351
352 // Walk array, extract domain and add to new array with crossorigin attribute.
353 foreach ( $preconns as $preconn ) {
354 $domain = '';
355 $parsed = parse_url( $preconn );
356 if ( is_array( $parsed ) && ! empty( $parsed['host'] ) && empty( $parsed['scheme'] ) ) {
357 $domain = '//' . $parsed['host'];
358 } elseif ( is_array( $parsed ) && ! empty( $parsed['host'] ) ) {
359 $domain = $parsed['scheme'] . '://' . $parsed['host'];
360 }
361
362 if ( ! empty( $domain ) ) {
363 $hint = array( 'href' => $domain );
364 // Fonts don't get preconnected unless crossorigin flag is set, non-fonts don't get preconnected if origin flag is set
365 // so hardcode fonts.gstatic.com to come with crossorigin and have filter to add other domains if needed.
366 $crossorigins = apply_filters( 'autoptimize_extra_filter_preconn_crossorigin', array( 'https://fonts.gstatic.com' ) );
367 if ( in_array( $domain, $crossorigins ) ) {
368 $hint['crossorigin'] = 'anonymous';
369 }
370 $new_hints[] = $hint;
371 }
372 }
373
374 // Merge in WP's preconnect hints.
375 if ( 'preconnect' === $relation_type && ! empty( $new_hints ) ) {
376 $hints = array_merge( $hints, $new_hints );
377 }
378
379 return $hints;
380 }
381
382 public function filter_preconnect_google_fonts( $in )
383 {
384 if ( '2' !== $this->options['autoptimize_extra_radio_field_4'] ) {
385 // Preconnect to fonts.gstatic.com unless we remove gfonts.
386 $in[] = 'https://fonts.gstatic.com';
387 }
388
389 if ( '4' === $this->options['autoptimize_extra_radio_field_4'] ) {
390 // Preconnect even more hosts for webfont.js!
391 $in[] = 'https://ajax.googleapis.com';
392 $in[] = 'https://fonts.googleapis.com';
393 }
394
395 return $in;
396 }
397
398 public function filter_preload( $in ) {
399 // make array from comma separated list.
400 $options = $this->options;
401 $preloads = array();
402 if ( array_key_exists( 'autoptimize_extra_text_field_7', $options ) ) {
403 $preloads = array_filter( array_map( 'trim', explode( ',', $options['autoptimize_extra_text_field_7'] ) ) );
404 }
405 $preloads = apply_filters( 'autoptimize_filter_extra_tobepreloaded', $preloads );
406
407 // immediately return if nothing to be preloaded.
408 if ( empty( $preloads ) ) {
409 return $in;
410 }
411
412 // iterate through array and add preload link to tmp string.
413 $preload_output = '';
414 foreach ( $preloads as $preload ) {
415 $crossorigin = '';
416 $preload_as = '';
417 $mime_type = '';
418 $_preload = strtok( $preload, '?' );
419
420 if ( autoptimizeUtils::str_ends_in( $_preload, '.css' ) ) {
421 $preload_as = 'style';
422 } elseif ( autoptimizeUtils::str_ends_in( $_preload, '.js' ) ) {
423 $preload_as = 'script';
424 } elseif ( autoptimizeUtils::str_ends_in( $_preload, '.woff' ) || autoptimizeUtils::str_ends_in( $_preload, '.woff2' ) || autoptimizeUtils::str_ends_in( $_preload, '.ttf' ) || autoptimizeUtils::str_ends_in( $_preload, '.eot' ) || autoptimizeUtils::str_ends_in( $_preload, '.otf' ) ) {
425 $preload_as = 'font';
426 $crossorigin = ' crossorigin';
427 $mime_type = ' type="font/' . pathinfo( $_preload, PATHINFO_EXTENSION ) . '"';
428 if ( ' type="font/eot"' === $mime_type ) {
429 $mime_type = 'application/vnd.ms-fontobject';
430 }
431 } elseif ( autoptimizeUtils::str_ends_in( $_preload, '.jpeg' ) || autoptimizeUtils::str_ends_in( $_preload, '.jpg' ) || autoptimizeUtils::str_ends_in( $_preload, '.webp' ) || autoptimizeUtils::str_ends_in( $_preload, '.png' ) || autoptimizeUtils::str_ends_in( $_preload, '.gif' ) ) {
432 $preload_as = 'image';
433 } else {
434 $preload_as = 'other';
435 }
436
437 $preload_output .= '<link rel="preload" href="' . $preload . '" as="' . $preload_as . '"' . $mime_type . $crossorigin . '>';
438 }
439 $preload_output = apply_filters( 'autoptimize_filter_extra_preload_output', $preload_output );
440
441 // add string to head (before first link node by default).
442 $preload_inject = apply_filters( 'autoptimize_filter_extra_preload_inject', '<link' );
443 $position = autoptimizeUtils::strpos( $in, $preload_inject );
444
445 return autoptimizeUtils::substr_replace( $in, $preload_output . $preload_inject, $position, strlen( $preload_inject ) );
446 }
447
448 public function admin_menu()
449 {
450 // no acces if multisite and not network admin and no site config allowed.
451 if ( autoptimizeConfig::should_show_menu_tabs() ) {
452 add_submenu_page(
453 null,
454 'autoptimize_extra',
455 'autoptimize_extra',
456 'manage_options',
457 'autoptimize_extra',
458 array( $this, 'options_page' )
459 );
460 }
461 register_setting( 'autoptimize_extra_settings', 'autoptimize_extra_settings' );
462 }
463
464 public function add_extra_tab( $in )
465 {
466 if ( autoptimizeConfig::should_show_menu_tabs() ) {
467 $in = array_merge( $in, array( 'autoptimize_extra' => __( 'Extra', 'autoptimize' ) ) );
468 }
469
470 return $in;
471 }
472
473 public function options_page()
474 {
475 // Working with actual option values from the database here.
476 // That way any saves are still processed as expected, but we can still
477 // override behavior by using `new autoptimizeExtra($custom_options)` and not have that custom
478 // behavior being persisted in the DB even if save is done here.
479 $options = $this->fetch_options();
480 $gfonts = $options['autoptimize_extra_radio_field_4'];
481 ?>
482 <style>
483 #ao_settings_form {background: white;border: 1px solid #ccc;padding: 1px 15px;margin: 15px 10px 10px 0;}
484 #ao_settings_form .form-table th {font-weight: normal;}
485 #autoptimize_extra_descr{font-size: 120%;}
486 </style>
487 <script>document.title = "Autoptimize: <?php _e( 'Extra', 'autoptimize' ); ?> " + document.title;</script>
488 <div class="wrap">
489 <h1><?php _e( 'Autoptimize Settings', 'autoptimize' ); ?></h1>
490 <?php echo autoptimizeConfig::ao_admin_tabs(); ?>
491 <?php if ( 'on' !== autoptimizeOptionWrapper::get_option( 'autoptimize_js' ) && 'on' !== autoptimizeOptionWrapper::get_option( 'autoptimize_css' ) && 'on' !== autoptimizeOptionWrapper::get_option( 'autoptimize_html' ) && ! autoptimizeImages::imgopt_active() ) { ?>
492 <div class="notice-warning notice"><p>
493 <?php _e( 'Most of below Extra optimizations require at least one of HTML, JS, CSS or Image autoptimizations being active.', 'autoptimize' ); ?>
494 </p></div>
495 <?php } ?>
496
497 <form id='ao_settings_form' action='<?php echo admin_url( 'options.php' ); ?>' method='post'>
498 <?php settings_fields( 'autoptimize_extra_settings' ); ?>
499 <h2><?php _e( 'Extra Auto-Optimizations', 'autoptimize' ); ?></h2>
500 <span id='autoptimize_extra_descr'><?php _e( 'The following settings can improve your site\'s performance even more.', 'autoptimize' ); ?></span>
501 <table class="form-table">
502 <tr>
503 <th scope="row"><?php _e( 'Google Fonts', 'autoptimize' ); ?></th>
504 <td>
505 <input type="radio" name="autoptimize_extra_settings[autoptimize_extra_radio_field_4]" value="1" <?php if ( ! in_array( $gfonts, array( 2, 3, 4, 5 ) ) ) { echo 'checked'; } ?> ><?php _e( 'Leave as is', 'autoptimize' ); ?><br/>
506 <input type="radio" name="autoptimize_extra_settings[autoptimize_extra_radio_field_4]" value="2" <?php checked( 2, $gfonts, true ); ?> ><?php _e( 'Remove Google Fonts', 'autoptimize' ); ?><br/>
507 <?php // translators: "display:swap" should remain untranslated, will be shown in code tags. ?>
508 <input type="radio" name="autoptimize_extra_settings[autoptimize_extra_radio_field_4]" value="3" <?php checked( 3, $gfonts, true ); ?> ><?php echo __( 'Combine and link in head (fonts load fast but are render-blocking)', 'autoptimize' ) . ', ' . sprintf( __( 'includes %1$sdisplay:swap%2$s.', 'autoptimize' ), '<code>', '</code>' ); ?><br/>
509 <?php // translators: "display:swap" should remain untranslated, will be shown in code tags. ?>
510 <input type="radio" name="autoptimize_extra_settings[autoptimize_extra_radio_field_4]" value="5" <?php checked( 5, $gfonts, true ); ?> ><?php echo __( 'Combine and link deferred in head (fonts load late, but are not render-blocking)', 'autoptimize' ) . ', ' . sprintf( __( 'includes %1$sdisplay:swap%2$s.', 'autoptimize' ), '<code>', '</code>' ); ?><br/>
511 <input type="radio" name="autoptimize_extra_settings[autoptimize_extra_radio_field_4]" value="4" <?php checked( 4, $gfonts, true ); ?> ><?php echo __( 'Combine and load fonts asynchronously with <a href="https://github.com/typekit/webfontloader#readme" target="_blank">webfont.js</a>', 'autoptimize' ) . ' ' . __( '(deprecated)', 'autoptimize' ); ?><br/>
512 </td>
513 </tr>
514 <tr>
515 <th scope="row"><?php _e( 'Remove emojis', 'autoptimize' ); ?></th>
516 <td>
517 <label><input type='checkbox' name='autoptimize_extra_settings[autoptimize_extra_checkbox_field_1]' <?php if ( ! empty( $options['autoptimize_extra_checkbox_field_1'] ) && '1' === $options['autoptimize_extra_checkbox_field_1'] ) { echo 'checked="checked"'; } ?> value='1'><?php _e( 'Removes WordPress\' core emojis\' inline CSS, inline JavaScript, and an otherwise un-autoptimized JavaScript file.', 'autoptimize' ); ?></label>
518 </td>
519 </tr>
520 <tr>
521 <th scope="row"><?php _e( 'Remove query strings from static resources', 'autoptimize' ); ?></th>
522 <td>
523 <label><input type='checkbox' name='autoptimize_extra_settings[autoptimize_extra_checkbox_field_0]' <?php if ( ! empty( $options['autoptimize_extra_checkbox_field_0'] ) && '1' === $options['autoptimize_extra_checkbox_field_0'] ) { echo 'checked="checked"'; } ?> value='1'><?php _e( 'Removing query strings (or more specifically the <code>ver</code> parameter) will not improve load time, but might improve performance scores.', 'autoptimize' ); ?></label>
524 </td>
525 </tr>
526 <tr>
527 <th scope="row"><?php _e( 'Preconnect to 3rd party domains <em>(advanced users)</em>', 'autoptimize' ); ?></th>
528 <td>
529 <label><input type='text' style='width:80%' name='autoptimize_extra_settings[autoptimize_extra_text_field_2]' value='<?php if ( array_key_exists( 'autoptimize_extra_text_field_2', $options ) ) { echo esc_attr( $options['autoptimize_extra_text_field_2'] ); } ?>'><br /><?php _e( 'Add 3rd party domains you want the browser to <a href="https://www.keycdn.com/support/preconnect/#primary" target="_blank">preconnect</a> to, separated by comma\'s. Make sure to include the correct protocol (HTTP or HTTPS).', 'autoptimize' ); ?></label>
530 </td>
531 </tr>
532 <tr>
533 <th scope="row"><?php _e( 'Preload specific requests <em>(advanced users)</em>', 'autoptimize' ); ?></th>
534 <td>
535 <label><input type='text' style='width:80%' name='autoptimize_extra_settings[autoptimize_extra_text_field_7]' value='<?php if ( array_key_exists( 'autoptimize_extra_text_field_7', $options ) ) { echo esc_attr( $options['autoptimize_extra_text_field_7'] ); } ?>'><br /><?php _e( 'Comma-separated list with full URL\'s of to to-be-preloaded resources. To be used sparingly!', 'autoptimize' ); ?></label>
536 </td>
537 </tr>
538 <tr>
539 <th scope="row"><?php _e( 'Async Javascript-files <em>(advanced users)</em>', 'autoptimize' ); ?></th>
540 <td>
541 <?php
542 if ( autoptimizeUtils::is_plugin_active( 'async-javascript/async-javascript.php' ) ) {
543 // translators: link points Async Javascript settings page.
544 printf( __( 'You have "Async JavaScript" installed, %1$sconfiguration of async javascript is best done there%2$s.', 'autoptimize' ), '<a href="' . 'options-general.php?page=async-javascript' . '">', '</a>' );
545 } else {
546 ?>
547 <input type='text' style='width:80%' name='autoptimize_extra_settings[autoptimize_extra_text_field_3]' value='<?php if ( array_key_exists( 'autoptimize_extra_text_field_3', $options ) ) { echo esc_attr( $options['autoptimize_extra_text_field_3'] ); } ?>'>
548 <br />
549 <?php
550 _e( 'Comma-separated list of local or 3rd party JS-files that should loaded with the <code>async</code> flag. JS-files from your own site will be automatically excluded if added here. ', 'autoptimize' );
551 // translators: %s will be replaced by a link to the "async javascript" plugin.
552 echo sprintf( __( 'Configuration of async javascript is easier and more flexible using the %s plugin.', 'autoptimize' ), '"<a href="https://wordpress.org/plugins/async-javascript" target="_blank">Async Javascript</a>"' );
553 $asj_install_url = network_admin_url() . 'plugin-install.php?s=async+javascript&tab=search&type=term';
554 echo sprintf( ' <a href="' . $asj_install_url . '">%s</a>', __( 'Click here to install and activate it.', 'autoptimize' ) );
555 }
556 ?>
557 </td>
558 </tr>
559 <tr>
560 <th scope="row"><?php _e( 'Optimize YouTube videos', 'autoptimize' ); ?></th>
561 <td>
562 <?php
563 if ( autoptimizeUtils::is_plugin_active( 'wp-youtube-lyte/wp-youtube-lyte.php' ) ) {
564 _e( 'Great, you have WP YouTube Lyte installed.', 'autoptimize' );
565 $lyte_config_url = 'options-general.php?page=lyte_settings_page';
566 echo sprintf( ' <a href="' . $lyte_config_url . '">%s</a>', __( 'Click here to configure it.', 'autoptimize' ) );
567 } else {
568 // translators: %s will be replaced by a link to "wp youtube lyte" plugin.
569 echo sprintf( __( '%s allows you to “lazy load” your videos, by inserting responsive “Lite YouTube Embeds". ', 'autoptimize' ), '<a href="https://wordpress.org/plugins/wp-youtube-lyte" target="_blank">WP YouTube Lyte</a>' );
570 $lyte_install_url = network_admin_url() . 'plugin-install.php?s=lyte&tab=search&type=term';
571 echo sprintf( ' <a href="' . $lyte_install_url . '">%s</a>', __( 'Click here to install and activate it.', 'autoptimize' ) );
572 }
573 ?>
574 </td>
575 </tr>
576 </table>
577 <p class="submit"><input type="submit" name="submit" id="submit" class="button button-primary" value="<?php _e( 'Save Changes', 'autoptimize' ); ?>" /></p>
578 </form>
579 <?php
580 }
581 }
582