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浏览器缓存 #136

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Popxie opened this issue Oct 14, 2022 · 0 comments

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日常零碎笔记

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Popxie commented Oct 14, 2022

缓存类型：强制缓存 && 协商缓存（304 未更新）

301是永久重定向，而302是临时重定向

协商缓存

Last-Modified / If-Modified-Since
Etag（服务端） / If-None-Match（浏览器）

注：Etag / If-None-Match优先级高于Last-Modified / If-Modified-Since，同时存在则只有Etag / If-None-Match生效。

强制缓存

Cache-Control与Expires

参考

Popxie added the 日常零碎笔记 label

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