Early Hints vs. Resource Hints vs. Speculation Rules: Which is right for what, and when?
Aaron T. Grogg
Early Hints, Resource Hints (comprised of dns-prefetch, preconnect, preload and prefetch links), and Speculation Rules all perform similar tasks: they try to fetch things sooner than necessary, so the user doesn’t have to wait for them when they are actually needed. But how and when they go about...