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What does URL mean?
The full English name of URL is Uniform Resource Locator, and the Chinese name is Uniform Resource Locator, which is what we usually call a website.

Our internet world is composed of many websites, which can be said to be expressed through them.

Every web page has its own URL address, which is unique in the world. URL starts with http:// and https://. L is not necessarily a letter, but sometimes it is a pure number. Generally speaking, websites that start with https are more secure than those that start with http, because such websites transmit information by using encryption technology.

Extended data:

Uniform resource locator is a concise representation of the location and access method of available resources on the Internet, and it is the address of standard resources on the Internet. Every file on the Internet has a unique URL, which contains information indicating the location of the file and how the browser should handle it.

The basic URL includes mode (or protocol), server name (or IP address), path and file name, such as "Protocol://Authorization/Path? Query ". The syntax of the complete authorized universal resource identifier is as follows: protocol://user name: password @ subdomain. Domain name. Top-level domain name: port number/directory/file name. File suffix? Parameter = value # flag.

The path section contains the path definition of the hierarchy. Generally speaking, different parts are separated by a slash (/). The query part is generally used to pass the parameters needed to dynamically query the database on the server.

Sometimes, a URL ends with a slash "/"without giving a file name. In this case, the URL refers to the default file in the last directory in the path (usually corresponding to the home page), usually called index.html or default.htm.

URL is divided into absolute URL and relative URL.

Absolute URL shows the full path of the file, which means that the location of the absolute URL itself has nothing to do with the location of the actual file being referenced.

Relative URL describes the location of the target folder with the location of the folder containing the URL itself as a reference point.

If the target file and the current page (that is, the page containing URL) are in the same directory, then the relative URL of this file is only the file name and extension. If the target file is in a subdirectory of the current directory, its relative URL is the subdirectory name, followed by a slash, and then the file name and extension of the target file.

References:

Baidu Encyclopedia-Website