[{"_1":2,"_3":-5,"_4":-5},"loaderData",{"_5":6,"_7":8},"actionData","errors","root",{"_49":-5,"_50":-5,"_51":23,"_52":23,"_53":54},"routes/posts.$slug",{"_9":10,"_11":10,"_12":13,"_14":15,"_16":17,"_18":19,"_20":21,"_22":23,"_24":25,"_26":27,"_28":29,"_30":31,"_32":33,"_34":35},"slug","浏览器缓存的全过程","title","date","2024-08-07","updatedAt","2026-07-11 12:12:30.006502+00","tags",[48],"description","浏览器缓存全过程解析：用户请求网页时，浏览器先检查本地缓存，依据Expires和Cache-Control判断资源是否有效。若缓存有效，直接使用；否则，向服务器请求资源，更新缓存。了解缓存机制，优化网页加载速度。","authorName","admin","isCommunity",false,"html","

浏览器缓存的全过程#

$\"浏览器缓存的全过程\"$

浏览器缓存的全过程涉及了几种不同的缓存机制，主要包括浏览器缓存和 HTTP 协议中定义的缓存控制策略。下面是浏览器缓存的全过程的概览：

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用户方法网页
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浏览器根据用户请求的 URL 加载相应的网页；
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浏览器检查缓存
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浏览器首先检查它的本地缓存（强缓存），检查请求的资源是否已经缓存，并且缓存是否仍然有效（根据 Expires 和 Cache-Control 响应头）；
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