Slow Down the Heartbeat API
Reduces admin AJAX traffic by running the Heartbeat API every 60 seconds instead of every 15 to 60, and turns it off on the front end.
Snippet Library
Performance snippets for WordPress
Snippets that make WordPress lighter and faster: remove emoji scripts and embeds, control the Heartbeat API, limit revisions and load scripts only where they are needed. For developers and site owners chasing better Core Web Vitals.
Spawn WP-Cron Less Often
Lets WordPress start its background task runner at most every five minutes instead of every minute, reducing extra requests on busy sites.
Speed Up the Custom Fields Meta Box
Skips the slow database query that fills the Custom Fields key dropdown, which can freeze the classic editor on sites with lots of post meta.
Stop Yoast SEO Building Indexables on Small or Busy Sites
Turns off Yoast SEO's indexables, the background tables Yoast fills for every post and term, which removes heavy database writes on large sites or cheap hosting.
Turn Off Autosave for Chosen Post Types
Stops the editor from autosaving the post types you list (for example products or custom data types edited by many people), which removes frequent background requests and extra autosave revisions.
Unload Plugin Assets Except on the Pages That Need Them
Removes the scripts and styles you list from every page except the ones you choose, for plugins that load their files site-wide.