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July 20, 2024 13:25
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Save ianpegg/53842447a5016ad5d3eac073dd2390d5 to your computer and use it in GitHub Desktop.
A lightweight way to improve performance by removing elements of WP core that we don't need.
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| <?php | |
| /** | |
| * Plugin Name: eggMUP: Performance | |
| * Plugin URI: https://gist.github.com/ianpegg/53842447a5016ad5d3eac073dd2390d5 | |
| * Description: Optimise WP for performance by removing things we don't need. | |
| * Version: 1.0.0 | |
| * Author: Ian Pegg | |
| * Author URI: https://eggcupwebdesign.com | |
| * php version 7.4.15 | |
| * | |
| * @category Must_Use_Plugin | |
| * @package WordPress_Plugin | |
| * @author Ian Pegg <[email protected]> | |
| * @license GNU/GPLv3 https://www.gnu.org/licenses/gpl-3.0.txt | |
| * @link https://eggcupwebdesign.com | |
| */ | |
| namespace EggCup\MUP\Performance; | |
| if (!defined('ABSPATH')) { | |
| exit; | |
| } | |
| /** | |
| * This script registers following functions with WP action hooks/filters: | |
| */ | |
| add_action('init', __NAMESPACE__ . '\\Cleanup_head'); | |
| add_action('init', __NAMESPACE__ . '\\Remove_emojis'); | |
| /** | |
| * Removes all the cruft that WP core adds to the <head>. | |
| * | |
| * @return void | |
| */ | |
| function Cleanup_head() | |
| { | |
| add_filter('the_generator', '__return_false'); | |
| remove_action('wp_head', 'rsd_link'); | |
| remove_action('wp_head', 'wlwmanifest_link'); | |
| remove_action('wp_head', 'adjacent_posts_rel_link_wp_head', 10); | |
| remove_action('wp_head', 'wp_generator'); | |
| remove_action('wp_head', 'wp_shortlink_wp_head', 10); | |
| remove_action('wp_head', 'wp_oembed_add_discovery_links'); | |
| remove_action('wp_head', 'wp_oembed_add_host_js'); | |
| remove_action('wp_head', 'rest_output_link_wp_head', 10); | |
| add_filter('use_default_gallery_style', '__return_false'); | |
| add_filter('show_recent_comments_widget_style', '__return_false'); | |
| } | |
| /** | |
| * Strip out this nonsense as most browsers support emojis these days | |
| * anyway. | |
| * | |
| * @return void | |
| */ | |
| function Remove_emojis() | |
| { | |
| remove_action('wp_head', 'print_emoji_detection_script', 7); | |
| remove_action('admin_print_scripts', 'print_emoji_detection_script'); | |
| remove_action('wp_print_styles', 'print_emoji_styles'); | |
| remove_action('admin_print_styles', 'print_emoji_styles'); | |
| remove_filter('the_content_feed', 'wp_staticize_emoji'); | |
| remove_filter('comment_text_rss', 'wp_staticize_emoji'); | |
| remove_filter('wp_mail', 'wp_staticize_emoji_for_email'); | |
| if (!is_admin()) { | |
| add_filter('emoji_svg_url', '__return_false'); | |
| } | |
| } |
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