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HTTP cache mechanism, HTTP packet structure, HTTP request and response process, browser cache control, Benefits of HTTP Cache A page may have hundreds of thousands of requests. If the server needs to respond to the request every time, the load on

As front-end developers, we do not seem to have much to do with our site or our application's caching mechanism, but these are parts of the performance that we are concerned about, and the site does not have any caching mechanisms, and our pages may

There are several headers related to cache in http:1. Pragma: Only the fixed no-Cache value can be used in HTTP/1.0 to disable browser cache.2. Expires: Used to specify when the cached document is deemed to have expired, in GMT format. if the date

Http://www.admin10000.com/document/6299.htmlAs front-end developers, we do not seem to have much to do with our site or our application's caching mechanism, but these are parts of the performance that we are concerned about, and the site does not

There are many caching mechanisms on the web side, and I'm just learning and collating the browser-based HTTP caching mechanism to see how it works.One, the type of Web cache1.1 Database CacheWe may have heard of memcached, which is a database-level

The httpservlet class defines a getlastmodified method. Its complete syntax is defined as follows: Protected long getlastmodified (httpservletrequest req) The returned value indicates the number of milliseconds that have been calculated since 00:00:0

IE8 and IE8 browsers are not SVG-enabled, SVGZ is a compressed format for SVG files, the configuration described in this article is browser-independent, but browsing svgz files is open in other modern browsers such as ie9+ or Firefox,chrome.3

First, the concept1.HTTP protocol: Hypertext Transfer Protocol (Hypertext Transfer Protocol). Is a rule that specifies the communication between the browser and the Web server, which allows Hypertext Markup Language (HTML) documents to be routed

After a PDF file is generated by referencing tcpdf, you can preview it in the pc browser, and then download it directly in the mobile browser. how can you preview tcpdfpdfphphtml in the mobile browser? After a PDF file is generated by