Identifying HTTP request

http://www.domain.com:12345/page101?t=win&s=chess#para5 these would be:

• Scheme: http
• Authority: www.domain.com:12345
• User Information: not present
• Host: www.domain.com
• Port: 12345
• Path: /page101
• Query String: t=win&s=chess
• Fragment: para5

QueryString also called URL parameters or URL query parameters

It refers to the portion of the URL that comes after a question mark (?) and consist of a key and a value, separated by an equal sign (=), multiple parameters are each then separated by an ampersand (&)

? : query string begins
= : value separator
& : parameter separator

for example:

https//www.domain.com/page?key1=value1&key2=value2