21 short forms and their full forms related to web, domain and server.

1)	URL	: Uniform Resource Locator
2)	www	: World Wide Web
3)	TLD	: Top-level Domain
4)	HTTP	: Hypertext Transfer Protocol

5)	HTTP's	: Hypertext Transfer Protocol Secure
6)	W3C	: World Wide Web Consortium
7)	WHATWG	: Web Hypertext Application Technology Working Group
8)	SSL	: Secure Sockets Layer
9)	TLS	: Transport Layer Security
10)	FTP	: File Transfer Protocol
11)	NNTP	: Network News Transfer Protocol
12)	DNS	: Domain Name Server
13)	RSS	: Really Simple Syndication
14)	IP Address	: Internet Protocol Address
15)	IANA	: Internet Assigned Numbers Authority
16)	API	: Application Programming Interface
17)	IETF	: Internet Engineering Task Force
18)	RFC	: Requests for Comments
19)	SNP	: Secure Network Programming
20)	TCP	: Transmission Control Protocol
21)	ARPA	: Address and Routing Parameter Area