The object cache is per-request by default and persistent with a drop-in, and either way the cache group is what keeps two plugins from using the same key…
A persistent object cache either works or silently does not, and both look identical from the front end: the site is up, the pages render, and the queries…
The fifth argument to wp_enqueue_script() decides whether the tag goes in the head, where it blocks parsing, or before </body>, where it does not. The default is the…
The rewrite rules are computed once and stored in an option, so a newly registered post type or endpoint returns 404 until something regenerates them — and the…
Without a drop-in, a transient is two rows in wp_options. With one, transients are stored in the object cache and never touch the database — which is faster…
4.7 shipped the content endpoints. What moving off the feature plugin involves, why authentication is still the unsolved half, and the read API every site now exposes.
The Heartbeat API keeps post locks and autosave working by posting to admin-ajax.php on a timer — every fifteen seconds in the editor, every sixty elsewhere in the…