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Remove WordPress emojis for performance
Unload WordPress Emoji icon libraries to improve front-end performance. Could degrade sites that need them for blog comments, etc.
// Disable the emoji's
add_action( 'init', function() {
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' );
// Filter function used to remove the tinymce emoji plugin.
add_filter( 'tiny_mce_plugins', function( $plugins ) {
if( is_array( $plugins ) ) {
return array_diff( $plugins, array( 'wpemoji' ) );
} else {
return [];
}
} );
// Remove emoji CDN hostname from DNS prefetching hints.
add_filter( 'wp_resource_hints', function( $urls, $relation_type ) {
if( 'dns-prefetch' == $relation_type ) {
$emoji_svg_url = apply_filters( 'emoji_svg_url', 'https://s.w.org/images/core/emoji/2/svg/' );
$urls = array_diff( $urls, array( $emoji_svg_url ) );
}
return $urls;
}, 10, 2 );
} );
Instructions for Remove WordPress emojis for performance
- Log into a staging or locally hosted clone of your site.
- Install and activate Code Snippets plugin.
- WP Admin > Snippets > Add New
- Copy and paste the code from the section above.
- Check to ensure formatting came over properly.
- Customize the code as desired.
- Add a meaningful title.
- Select whether to run on front-end or back-end (or both).
- Click “Save and Activate”.
- Test your site to ensure it works.
- Disable if any problems, or recover.
- Repeat for live environment.
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License
All code snippets are licensed GPLv2 (or later) matching WordPress licensing.
Except when otherwise stated in writing the copyright holders and/or other parties provide the program as-is without warranty of any kind, either expressed or implied, including, but not limited to, the implied warranties of merchantability and fitness for a particular purpose.
Disclaimer of warranty
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