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example, when you upgrade the site, do not copy the entire site; Just move the file you modified. use cookies only where necessary -cookies is very difficult to cache, and in most cases it is not necessary to cache them. If you must have cookies, limit them to dynamic pages. Minimize the use of the SSL security protocol -because encrypted pages will not be stored in a shared cache, try to use SSL when needed, and use as few pictures as possible on SSL pages. use

This article is from The Web engineer's online toolbox of Ivan Zuzak. The author provides a variety of online tool sets that can be used for development, testing, debugging, and document orchestration. I found that CSDN already has this article 18 tools necessary for Web engineers, but unfortunately this article is not all (the original article was updated to 33 tools later ), in addition, it does not include all the tools that appear in the original comments. Therefore, I have supplemented them

you to avoid the a cache may mistakenly serve a desktop Version of your site to your mobile users. In addition, it can help Google and other search engines to discover the mobile version of a page, and might also tell the M that's no cloaking is intended.Vary: User-AgentBecause the User-Agent header value is different ("varies") for mobile and desktop clients, caches'll not being used to serve MO Bile content mistakenly to desktop users or vice versa.See Also RFC 7234:hypertext Transfe

only when needed, and images are rarely used on ssl pages. 8. Use REDbot to check your webpage. It can help you apply many concepts in this tutorial. 7. Write cache-aware scripts By default, many scripts do not return the Last-Modified or ETag in the verification response header), or refresh the Expires or Cache-Control information ). At the same time, many scripts are dynamic, that is, each request will return different responses, Generally, if a sc

logic operations with less code. For most of the base sites, Zepto is obviously more efficient. Summary: Compress third-party libraries while using ZEPTOJS as the alternative to JQuery.Review cache ConfigurationGood Web Developers minimize page resource size and thus less page load times. Even better developers will try to minimize the size of the page resource at the time of the first load. This plays a major role in the browser mix. If your images, CSS, or JavaScript resources rarely change,

Netscape, to ensure the security of data transmission on the Internet, the use of data encryption (encryption) technology, ensures that the data in the network transmission process will not be intercepted and eavesdropping. The current general-purpose specification is the safety standard for a-bit, while the US has introduced a higher safety standard of-bit, but has restricted its exit. SSL can be supported as long as the i.e or Netscape browser is above version 3.0. use