Resource Hints Articles

Tutorials Jun 23, 2026Intermediate

Resource Hints in 2026: preload vs prefetch vs preconnect vs dns-prefetch

A practical 2026 guide to the four browser resource hints (preload, prefetch, preconnect, dns-prefetch): when each one helps, when it hurts LCP, and the exact decision flow to pick the right one.

Editorial Team 14 min read

Tutorials May 30, 2026Advanced

HTTP 103 Early Hints: Cut TTFB and LCP by Preloading During Server Think-Time

HTTP 103 Early Hints lets servers preload critical resources during backend think-time, cutting LCP by 100-400ms. A practical 2026 guide for Cloudflare, Fastly, and Node.js origins.

Alex Petrov 13 min read