add_filter( 'the_generator', function() { return '';} ); // remove WP ?ver=5.X.X from css/js add_filter( 'style_loader_src', 'rsssl_remove_css_js_version', 9999 ); add_filter( 'script_loader_src', 'rsssl_remove_css_js_version', 9999 ); remove_action('wp_head', 'wp_generator'); // remove wordpress version remove_action('wp_head', 'index_rel_link'); // remove link to index page remove_action('wp_head', 'wlwmanifest_link'); // remove wlwmanifest.xml (needed to support windows live writer) remove_action('wp_head', 'wp_shortlink_wp_head', 10 ); // Remove shortlink } add_action('init', 'rsssl_remove_wp_version'); function rsssl_replace_wp_version($html){ $wp_version = get_bloginfo( 'version' ); $new_version = hash('md5', get_bloginfo( 'version' ) ); return str_replace('?ver='.$wp_version, '?ver='.$new_version, $html); } add_filter('rsssl_fixer_output', 'rsssl_replace_wp_version'); /** * @param $src * @return mixed|string * Remove WordPress version from css and js strings */ function rsssl_remove_css_js_version( $src ) { if ( strpos( $src, '?ver=' ) && strpos( $src, 'wp-includes') ) { $wp_version = get_bloginfo( 'version' ); $new_version = hash('md5', get_bloginfo( 'version' ) ); $src = str_replace('?ver='.$wp_version, '?ver='.$new_version, $src); } return $src; }