Use this function to disable the loading of performance tweaks
Helper Functions
wpcom_vip_enable_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
wpcom_vip_disable_instapost
wpcom_vip_remove_playlist_styles
Dequeue wp-mediaelement.css for sites which don’t use the playlist shortcode and thus don’t need the stylesheet
wpcom_vip_load_geolocation_styles_only_when_needed
Conditionally dequeues the geo-location-flair.css
wpcom_vip_enable_cache_full_comment_counts
wpcom_vip_cache_full_comment_counts
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:
wpcom_vip_download_image
Downloads an external image and optionally attaches it to a post.
stop_the_insanity
Clear all of the caches for memory management