Gutenberg, the default editor for the latest WordPress installations, uses special CSS libraries to manage blocks on your front end. If you are using this new WP editor, it will automatically add this library CSS code on your site;

<link rel='stylesheet' id='wp-block-library-css'  href='' type='text/css' media='all' />

But, if you are not using Gutenberg blocks in any way, you can use the following snippet to remove this extra stylesheet from your theme;

function wpassist_remove_block_library_css(){
    wp_dequeue_style( 'wp-block-library' );
add_action( 'wp_enqueue_scripts', 'wpassist_remove_block_library_css' );

I know this is only one less request on your server, but if you are aiming for 5000 users a day, it is 150k fewer requests a month 🙂

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