What is a URL address
URL address, commonly known as web page address, or URL for short, is a string used to completely describe the address of web pages and other resources on the Internet. It is mainly used in various WWW client programs and server programs; a complete URL address Including the protocol part, website address, and file address part.
#The operating environment of this article: Windows 7 system, Dell G3 computer.
When we visit a web page, we enter the URL we want to visit in the browser. Many people call this string of English letters a URL. In fact, this is incorrect. So what is a URL address? Below, php Chinese website will lead you to understand the URL address.
1: What is a URL address?
URL (Uniform Resource Locator, Uniform Resource Locator) address, commonly known as web page address, referred to as URL, is used to describe on the Internet A string of information resource addresses (Address), like a house number on the Internet. URL address is mainly used in various WWW client programs and server programs
It was originally invented by Tim Berners-Lee as the address of the World Wide Web, and now it has been compiled as an Internet standard by the World Wide Web Consortium RFC 1738
URL is a uniform resource locator, and it is also the address of the WWW page. A complete URL includes the protocol part, the website address, and the file address part.
2: In the Internet, we can use a variety of protocols:
HTTP - HyperText Transfer Protocol (Hypertext Transfer Protocol)
FTP –File Transfer Protocol
Gopher–The Internet Gopher Protocol
File–Local File Transfer Protocol
HTTPS–Secure Sockets Hypertext Transfer Protocol (secure version of http)
When you enter a URL in the address bar, you do not need to enter the protocol part. The browser will automatically add the default HTTP protocol.
The URL part is also often used by everyone, such as www.php.cn, which is a website and a unique network name.
The above is the detailed content of What is a URL address. For more information, please follow other related articles on the PHP Chinese website!
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