Dequeue wp-mediaelement.css for sites which don’t use the playlist shortcode and thus don’t need the stylesheet
Use this function to disable the loading of performance tweaks
Conditionally dequeues the geo-location-flair.css
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
Allow VIP themes to disable global terms on WordPress.com.
Disables the WordPress.com-specific Customizer and Custom Design
Helper function for validiting and sanitizing values for crop parametr used in photon URLs