Edit File: nginx.php
<?php defined( 'ABSPATH' ) || exit; /** * Compatibility with an usual NGINX configuration which include: * try_files $uri $uri/ /index.php?q=$uri&$args * * @since 2.3.9 * * @param array $query_strings Array of query strings to cache. * * @return array Updated array of query strings. */ function rocket_better_nginx_compatibility( $query_strings ) { global $is_nginx; if ( $is_nginx ) { $query_strings[] = 'q'; } return $query_strings; } add_filter( 'rocket_cache_query_strings', 'rocket_better_nginx_compatibility' );