Fetch API Caching: A Complete Guide

Short summary

The Fetch API's cache option controls how the browser interacts with HTTP caching independently of server-defined Cache-Control headers. Six modes (default, no-store, reload, no-cache, force-cache, only-if-cached) optimize different scenarios: use default for most APIs, no-store for real-time data, no-cache for user settings needing validation, and force-cache for static reference data. Each mode trades off freshness, bandwidth, and performance.

• •Six Fetch cache modes provide fine-grained control over HTTP caching behavior
• •Each mode suits different scenarios: real-time data, validation, or maximum performance
• •Cache options work alongside server headers; they don't completely override caching rules

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