Preload Key Scripts and Stylesheets by Handle
Adds preload hints for the enqueued scripts and stylesheets you name, so the browser fetches files that are discovered late (such as a slider script or icon font CSS) right at the start of the page load.
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.