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以前别人问我这个问题的时候,起初一时间还是不知道怎么回答,不过仔细想想,这个问题涉及的东西还是蛮多的。如果是自己的话,估计也回答不好。。。
The text was updated successfully, but these errors were encountered:
从网上看看了觉得以下对我帮助很大
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DNS域名解析过程图解
强制缓存优先于协商缓存进行,若强制缓存(Expires和Cache-Control)生效则直接使用缓存,若不生效则进行协商缓存(Last-Modified / If-Modified-Since和Etag / If-None-Match),协商缓存由服务器决定是否使用缓存,若协商缓存失效,那么代表该请求的缓存失效,重新获取请求结果,再存入浏览器缓存中;生效则返回304,继续使用缓存
TP传送门 浏览器缓存知识小结及应用
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以前别人问我这个问题的时候,起初一时间还是不知道怎么回答,不过仔细想想,这个问题涉及的东西还是蛮多的。如果是自己的话,估计也回答不好。。。
The text was updated successfully, but these errors were encountered: