HTTP 是一种用作获取诸如 HTML 文档这类资源的协议。 它是 Web 上进行任何数据交换的基础，同时，也是一种客户端—服务器（client-server）协议，也就是说，请求是由接受方——通常是 Web 浏 …

HTTP is the foundation of data communication for the World Wide Web, where hypertext documents include hyperlinks to other resources that the user can easily access, for example by a mouse click …

Hypertext Transfer Protocol (HTTP) is the foundation of the World Wide Web, and is used to load web pages using hypertext links. Learn more about HTTP.

一个 URL 的一般形式通常如上所示（http://test.com/index.html ），现在最常用的协议就是 HTTP，HTTP 的默认端口是 80，通常可以省略。

What is HTTP? The Hypertext Transfer Protocol (HTTP) is designed to enable communications between clients and servers. HTTP works as a request-response protocol between a client and server. …

HTTP, standard application-level protocol used for exchanging files on the World Wide Web. Web browsers are HTTP clients that send file requests to Web servers, which in turn handle the requests …

Jan 17, 2026 · HTTP (Hypertext Transfer Protocol) is a core Internet protocol that defines how data is exchanged between clients and servers on the web. Enables communication between web browsers …

There are a large number of HTTP extensions, including methods, status codes and headers. It’s important to note that they are all “part of” HTTP, as long as they’re listed in the appropriate registries:

An extension mechanism for HTTP designed to address the tension between private agreement and public specification and to accommodate extension of HTTP clients and servers by software …

A web page from Wikipedia displayed in Google Chrome The World Wide Web (also known as WWW, W3, or simply the Web) [2] is a public interconnected information system that enables content …