Domain Extensions are USED in domains or URLs to signify the type of website. The most common extension, .com, denotes the WORD commercial and is used the most worldwide. The .net extension is SHORT for network while .org, means ORGANIZATION (used MAINLY by nonprofits). The .biz extension represents small business URLs while the .info extension is used for resource sites. The.mobi extension is used for sites on mobile devices, and .us, which is the country code for the U.S., has the most available domain names on inventory.

Domain Extensions are used in domains or URLs to signify the type of website. The most common extension, .com, denotes the word commercial and is used the most worldwide. The .net extension is short for network while .org, means organization (used mainly by nonprofits). The .biz extension represents small business URLs while the .info extension is used for resource sites. The.mobi extension is used for sites on mobile devices, and .us, which is the country code for the U.S., has the most available domain names on inventory.