Preload, Prefetch And Priorities in Chrome

Today we’ll dive into insights from Chrome’s networking stack to provide clarity on how web loading primitives (like <link rel=“preload”> & <link rel=“prefetch”>) work behind the scenes so you can be more effective with them. As covered well in other articles, preload is a declarative fetch, allowing you to force the browser to make a request for a resource without blocking the document’s onload e

[igrep]

"Preload resources you have high-confidence will be used in the current page. Prefetch resources likely to be used for future navigations across multiple navigation boundaries."

[hc0001]

“Chrome has four caches”

[yosuke_furukawa]

link の resource hints を使って高速化する話 by addy osmani