What is cache warming? A practical guide
Caches only help when they're full — and they start empty. How cache warming works, which caches can be warmed, and when it's worth automating.
CloudflareCloudflare cache warming: why one server can't preload 300+ colos
Cloudflare caches per data center. A warming crawler in one region fills exactly one of them. What actually works — including Workers Cache and Tiered Cache.
MetricsCache hit ratio: how to measure it and how to raise it
The single most useful CDN metric, the difference between request and byte hit ratio, and seven concrete levers to push yours up.
Core Web VitalsTime to First Byte: the floor under all your Core Web Vitals
LCP can't be fast if the first byte is slow. What TTFB is made of, what "good" looks like, and why edge caching is the biggest lever.