Caching

Advanced HTTP Caching Strategies for Modern Web Apps (2026)

Mar 22, 2026

If you have read the basics of HTTP caching — Cache-Control headers, ETags, max-age — and want to know what comes next, this note is for you. Modern web …

TL;DR: Modern caching is a layered system: browser cache, service worker, CDN edge, and origin. Getting the …

HTTP Caching for Static Sites

Jul 20, 2024

This note covers the HTTP caching headers that matter for static sites, how CDN edge caching interacts with browser caching, and the specific configuration that …

TL;DR: Set long max-age for hashed assets, short max-age + revalidation for HTML. Let the CDN handle the …