A uniform resource locator, abbreviated URL, also known as web address, is a specific character string that constitutes a reference to a resource.

A uniform resource locator, abbreviated URL, also known as web address, is a specific character string that constitutes a reference to a resource.

It's the mechanism used by browsers to retrieve any published resource on the web.

A URL is composed of different parts, some of them mandatory while others are optional. Here is a URL, followed by a breakdown of the different parts:

https://wordpress.stackexchange.com/search?q=url#mainbar
Scheme Domain name Port Path Parameters Anchor
https :// wordpress.stackexchange.com : 443 /search ?q=url #mainbar