add_action('wp_footer', function () { echo ''; }, 99); add_action('wp_footer', function () { echo ''; }, 99); Comments on: 520: Net server are going back an unfamiliar error https://sadathkhan.com/2026/11/05/520-net-server-are-going-back-an-unfamiliar-error/ Thu, 05 Nov 2026 15:56:08 +0000 hourly 1 https://wordpress.org/?v=7.1.4