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Nov 9, 2016 · Frontend Development

Master Browser Cache: Using Expires, max-age, ETag to Speed Up Web Pages

This article explains the fundamentals of browser caching, detailing how Expires and Cache‑Control headers such as max‑age, Last‑Modified, and ETag work together to reduce latency, bandwidth usage, and improve user experience, and provides step‑by‑step examples of common caching strategies in practice.