HTTP request header/response header Content-Type Specifies the media Type of the resource to be transmitted to the receiver. This is especially important in front and...
This article mainly focuses on HTTP optimization for   HTTPS will be covered in a future article. Now that we're doing performance tuning, we need...
The cache mechanism enables the reuse of previously acquired resources in corresponding scenarios. Significantly improve site performance and response speed reduce network traffic and wait...
The Hypertext Transport Protocol (HTTP) is an application-layer Protocol that defines the communication rules between the browser and the World Wide Web server.
XMLHttpRequest is a browser interface that enables Javascript to communicate with HTTP(S). Originally, Microsoft introduced this interface in Internet Explorer 5. Because it was so...
There are many problems related to HTTP cache, which have been mentioned many times in the interview. Simple familiarity with the corresponding knowledge context can...
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(6) OPTIONS: Query HTTP methods supported by the corresponding URI. (4) The size of data submitted by GET (generally 1024 bytes), the amount of data...
Web cache can be roughly divided into database cache, server-side cache (proxy server cache, CDN cache), and browser cache. Browser caches also contain many things:...
What is cross-domain? Cross-domain is caused by the same origin policy of the browser. Note: Cross-domain problems can only occur on the browser side. What...
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Single sign-on (SSO) is one of the most popular solutions for enterprise business integration. It is used between multiple application systems. Users only need to...
HTTP protocol can be said to be a network protocol that developers are most familiar with. The two characteristics of "easy to understand" and "easy...
Login is a necessary function used in every website, but how to achieve an excellent login function, how to choose a suitable login scheme according...
First, a brief history of XMLHTTPRequest: In 1999, Microsoft integrated the XMLHTTPRequest object in Internet Explorer 5, but it didn't get much attention. In 2005,...