WordPress footer always at the bottom of the screen-page

It sounds like you need the main body of the page to always fill the height of the viewport even when the content is shorter. Find out the height of the header first so you can calculate the remaining height of the viewport. .site-content { min-height: calc(100vh – [insert header height here] ); }

Can’t deregister / dequeue scripts in WordPress

You are dequeuing before the script may even be enqueued. Test with a hook that is actioned after wp_enqueue_scripts to deque. https://developer.wordpress.org/reference/functions/wp_dequeue_script/ /** * Dequeue the jQuery UI script. * * Hooked to the wp_print_scripts action, with a late priority (100), * so that it is after the script was enqueued. */ function wpdocs_dequeue_script() { … Read more