Question

what is URL? And what is its types

Answer 1

uniform resource locator
http. ..

Answer 2

URL. A Uniform Resource Locator (URL), colloquially termed a web address, is a reference to a web resource that specifies its location on a computer network and a mechanism for retrieving it. A URL is a specific type of Uniform Resource Identifier (URI), although many people use the two terms interchangeably.
types are: Absolute URL
Relative URLs