Cached version of count_user_posts, which is uncached but doesn’t always need to hit the db
Cached version of wp_old_slug_redirect.
Cached version of url_to_postid, which can be expensive.
Flush the cache for published pages so we don’t end up with stale data
Set the quality of a jpeg image
Set the quality of jpeg images served from files.wordpress.com
Allow VIP themes to disable hovercard functionality and removes the scripts.
Disables Olark live chat
Optimized version of get_term_link that adds caching for slug-based lookups.