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

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