# HTML Uniform Resource Locators
A URL is another word for a web address. A URL can be composed of words, or an Internet Protocol ( IP ) Address ( 192.68.20.50).
Most people enter the name when surfing, because names are easier to remember than numbers.
● URL - Uniform Resource Locator
Web browsers request pages from web servers by using a URL.
A Uniform Resource Locator ( URL ) is used to address a document on the web.
A web address follows these syntax rules.
A Uniform Resource Locator ( URL ) is used to address a document on the web.
A web address follows these syntax rules.
schme://prefix.domain:port/path/filename
- scheme - defines the type of Internet service (most common is http or https)
- prefix - defines a domain prefix (default for http is www)
- domain - defines the Internet domain name (like w3schools.com)
- port - defines the port number at the host (default for http is 80)
- path - defines a path at the server (If omitted: the root directory of the site)
- filename - defines the name of a document or resource
● Common URL Schemes
The table below lists some common schemes.
● URL Encoding
URLs can only be sent over the Internet using the ASCII character-set. If a URL contains characters outside the ASCII set, the URL has to be converted.
URL encoding converts non-ASCII characters into a format hat can be transmitted over the internet.
URL encoding replaces non-ASCII characters with a "%" followed by hexadecimal digits.
URLs can not contain spaces. URL encoding normally replaces a space with a plus sign, or %20.
URL encoding converts non-ASCII characters into a format hat can be transmitted over the internet.
URL encoding replaces non-ASCII characters with a "%" followed by hexadecimal digits.
URLs can not contain spaces. URL encoding normally replaces a space with a plus sign, or %20.
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