HTML-----014---Uniform Resource Locator

Source: Internet
Author: User
Tags file transfer protocol

HTML Uniform Resource Locator

URLs can consist of words such as "w3school.com.cn", or Internet Protocol (IP) Address:192.168.1.253 . When most people surf the web, they type the domain name of the URL because the name is easier to remember than the number.

Url-uniform Resource Locator

When you click a link in an HTML page, the corresponding <a> tag points to an address on the World Wide Web.

A Uniform Resource Locator (URL) is used to locate documents (or other data) on the World Wide Web.

URLs, such as http://www.w3school.com.cn/html/index.asp, adhere to the following grammatical rules:

Scheme://host.domain:port/path/filename

Explain:

  • Scheme- defines the type of Internet service. The most common type is the http
  • Host- defines the domain host ( The default host for HTTP is www)
  • Domain- Define Internet domain names, such as w3school.com.cn
  • :p Ort- defines the port number on the host ( the default port number for HTTP is. )
  • Path- defines the path on the server (if omitted, the document must be in the root directory of the Web site).
  • FileName- defines The name of the document/resource

Editor's note: the English name of the URL is Uniform Resource Locator, and Chinese is also translated as " Uniform Resource Locator " .

URL schemes

Below are some of the most popular  scheme :

Scheme

Access

For...

http

Hypertext Transfer Protocol

A normal web page that starts with http://. Not encrypted.

Https

Secure Hypertext Transfer Protocol

Secure Web page. Encrypt all information exchanges.

Ftp

File Transfer Protocol

Used to download or upload files to a Web site.

File

The files on your computer.

HTML-----014---Uniform Resource Locator

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