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<?php |
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namespace ABlocks\Performance; |
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|
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if ( ! defined( 'ABSPATH' ) ) { |
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exit; |
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} |
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|
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use ABlocks\Helper; |
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|
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/** |
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* Performance Suite — platform-level optimizations ("WordPress bloat" removers). |
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* |
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* Every optimization is opt-in via the Performance settings tab (default off, so |
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* existing sites are unchanged) and exposes an `ablocks/perf/{key}` filter for |
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* programmatic control. See docs/PERFORMANCE-FEATURES-SPEC.md. |
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*/ |
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class Optimizations { |
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|
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public static function init() { |
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$self = new self(); |
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add_action( 'init', [ $self, 'apply' ] ); |
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} |
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|
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public function apply() { |
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// Heartbeat is the one optimization aimed at wp-admin — the API polls |
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// hardest in the editor — so it is wired up before the frontend guard. |
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if ( $this->enabled( 'perf_control_heartbeat' ) ) { |
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add_filter( 'heartbeat_settings', [ $this, 'heartbeat_frequency' ] ); |
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} |
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|
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// Everything below only shaves weight off what a visitor downloads. No |
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// page-speed tool measures wp-admin, so there is nothing to win there |
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// and plenty to break — stripping core assets from the admin costs the |
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// editor its emoji, icons and scripts for zero benefit. Frontend only. |
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if ( is_admin() ) { |
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return; |
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} |
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|
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if ( $this->enabled( 'perf_disable_emojis' ) ) { |
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$this->disable_emojis(); |
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} |
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if ( $this->enabled( 'perf_disable_embeds' ) ) { |
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$this->disable_embeds(); |
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} |
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if ( $this->enabled( 'perf_disable_dashicons' ) ) { |
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add_action( 'wp_enqueue_scripts', [ $this, 'disable_dashicons' ], 100 ); |
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} |
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if ( $this->enabled( 'perf_disable_jquery_migrate' ) ) { |
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// Run late on wp_enqueue_scripts (after everything registers, before |
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// scripts print) — hooking wp_default_scripts from init is unreliable |
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// because it can fire before this callback is registered. |
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add_action( 'wp_enqueue_scripts', [ $this, 'remove_jquery_migrate' ], 100 ); |
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} |
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} |
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|
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private function enabled( $key ) { |
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$value = (bool) Helper::get_settings( $key, false ); |
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return (bool) apply_filters( "ablocks/perf/{$key}", $value ); |
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} |
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|
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/** |
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* Remove the WordPress emoji detection script + styles. |
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* |
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* Frontend only — see the guard in apply(). wp-admin keeps core's emoji |
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* support: the detection script is what draws the emoji the viewer's |
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* platform has no glyph for, so unhooking it there just leaves blanks in |
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* the editor, menus and list tables. |
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*/ |
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public function disable_emojis() { |
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remove_action( 'wp_head', 'print_emoji_detection_script', 7 ); |
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// Unhooking the back-compat action is also how wp_enqueue_emoji_styles() |
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// (WP 6.4+) decides to skip the inline stylesheet. |
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remove_action( 'wp_print_styles', 'print_emoji_styles' ); |
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remove_filter( 'the_content_feed', 'wp_staticize_emoji' ); |
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remove_filter( 'comment_text_rss', 'wp_staticize_emoji' ); |
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} |
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|
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/** |
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* Remove the wp-embed script and oEmbed discovery/host output on the frontend. |
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*/ |
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public function disable_embeds() { |
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remove_action( 'wp_head', 'wp_oembed_add_discovery_links' ); |
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remove_action( 'wp_head', 'wp_oembed_add_host_js' ); |
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add_action( |
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'wp_footer', |
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function () { |
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wp_dequeue_script( 'wp-embed' ); |
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} |
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); |
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} |
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|
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/** |
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* Drop the front-end Dashicons stylesheet for logged-out visitors (kept for |
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* logged-in users so the admin bar still renders). |
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*/ |
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public function disable_dashicons() { |
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if ( ! is_user_logged_in() ) { |
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wp_dequeue_style( 'dashicons' ); |
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} |
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} |
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|
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/** |
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* Remove the legacy jquery-migrate dependency on the frontend. |
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*/ |
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public function remove_jquery_migrate() { |
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if ( is_admin() ) { |
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return; |
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} |
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$scripts = wp_scripts(); |
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foreach ( [ 'jquery', 'jquery-core' ] as $handle ) { |
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if ( isset( $scripts->registered[ $handle ] ) && ! empty( $scripts->registered[ $handle ]->deps ) ) { |
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$scripts->registered[ $handle ]->deps = array_diff( |
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$scripts->registered[ $handle ]->deps, |
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[ 'jquery-migrate' ] |
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); |
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} |
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} |
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// Deregister so nothing can pull it in directly either. |
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$scripts->remove( 'jquery-migrate' ); |
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$scripts->dequeue( 'jquery-migrate' ); |
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} |
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|
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/** |
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* Throttle the Heartbeat API to a configurable interval (WP clamps 15–300s). |
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*/ |
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public function heartbeat_frequency( $settings ) { |
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$freq = (int) Helper::get_settings( 'perf_heartbeat_frequency', 60 ); |
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$settings['interval'] = max( 15, min( 300, $freq ) ); |
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return $settings; |
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} |
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} |
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