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Direktori : /home/t/r/a/tradesc/www/relax/wp-content/plugins/wp-rocket/inc/front/ |
Current File : /home/t/r/a/tradesc/www/relax/wp-content/plugins/wp-rocket/inc/front/dns-prefetch.php |
<?php defined( 'ABSPATH' ) || exit; /** * Adds domain names to the list of DNS Prefetch printed by wp_resource_hints * * @since 2.8.9 * @author Remy Perona * * @param Array $hints URLs to print for resource hints. * @param String $relation_type The relation type the URL are printed for. * @return Array URLs to print */ function rocket_dns_prefetch( $hints, $relation_type ) { // Don't add prefetch for uncached pages. if ( defined( 'DONOTROCKETOPTIMIZE' ) && DONOTROCKETOPTIMIZE ) { return $hints; } $domains = rocket_get_dns_prefetch_domains(); if ( (bool) $domains ) { foreach ( $domains as $domain ) { if ( 'dns-prefetch' === $relation_type ) { $hints[] = $domain; } } } return $hints; } add_filter( 'wp_resource_hints', 'rocket_dns_prefetch', 10, 2 );