1) What is "last-modified"?When the browser requests a URL for the first time, the server-side return status is 200, the content is the resource you requested, and there is a last-modified attribute that marks the last time the file was modified at
There are many kinds of caches: Server cache, third-party cache, browser cache, and so on. The browser cache is the least expensive, because the browser cache relies on the client and consumes little server-side resources.Making the browser cache
HTTP response last-modified and ETag
[Date: 2008-06-16]
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Basic knowledge 1) What is "last-modified"?When the browser requests a URL for the first time, the server-side return status is
Basic knowledge1) What is "Last-Modified "?When the browser requests a URL for the first time, the server returns 200, and the content is the resource you requested, at the same time, there is a Last-Modified attribute to mark the Last modification
Basic knowledge1) What is "last-modified "?When the browser requests a URL for the first time, the server returns 200, and the content is the resource you requested, at the same time, there is a last-modified attribute to mark the last modification
From http://ronxin999.blog.163.com/blog/static/4221792020119106319604/
In HTTP, both last-modified and if-modified-since are HTTP header information used to record the last modification time of the page. Note that, the last-modified is the HTTP
The rest API, which is made with the Django Rest framework, has an API that requires:The app side requests this API, the server side reads the data from the database, returns the JSON. The amount of data returned is slightly larger, but may only be
A detailed description of each status is as follows:1 , last-modifiedWhen the browser requests a URL for the first time, the server-side return status is 200, the content is the resource you requested, and there is a last-modified attribute tag
Recently in the optimization of CDN, browser cache In-depth research, a note, to facilitate the post-comers
Drew a Sketch:
Detailed descriptions of each status are as follows:
1 , last-modified
When the browser first requests a URL, the
Detailed descriptions of each status are as follows:1, last-modifiedWhen the browser first requests a URL, the server-side return status is 200, the content is the resource you requested, and there is a last-modified attribute tag (httpreponse
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