Use this function to disable the loading of performance tweaks
This is a list of performance tweaks that will become default for All VIP sites You can call it directly in your theme until they are enabled globally
Dequeue wp-mediaelement.css for sites which don’t use the playlist shortcode and thus don’t need the stylesheet
Conditionally dequeues the geo-location-flair.css
Use this function to cache the comment counting in the wp menu that can be slow on sites with lots of comments use like this:
Downloads an external image and optionally attaches it to a post.
Clear all of the caches for memory management