Preload in HTML
Learn link rel=preload: fetch the files your page needs but finds late, such as fonts and CSS background images. Includes a discovery timeline and a checker for as and crossorigin mismatches.
Learn link rel=preload: fetch the files your page needs but finds late, such as fonts and CSS background images. Includes a discovery timeline and a checker for as and crossorigin mismatches.
Learn what resource hints are and how to choose between dns-prefetch, preconnect, preload and prefetch. Includes a hint builder and a live checker for common mistakes.