Warmup links (translatepress)

<?php

/**
 * Plugin Name: Swift Performance Tweaks
 */

add_filter('swift_performance_warmup_urls_to_save', function($urls){
    $new_urls = array();
    foreach ($urls as $url){
        $new_urls[] = trailingslashit($url) . 'de';
        $new_urls[] = trailingslashit($url) . 'en';
    }
    return $new_urls;
});

?>