A handful of domains will have restrictions on them, which means you can only purchase them if you meet or exceed certain criteria or have authorization (some examples are .gov, .edu and .mil). But most extensions are available to everyone. In fact, most country code Top Level Domains (ccTLDs) are available for anyone to purchase, even if you don't reside in the country code in question.
GlowHost earned our kudos for its 91-day money-back guarantee. It's six days short of DreamHost's 97-day guarantee, but with these numbers, who's quibbling over a few days? The company also offers 24/7/365 phone support option and free cPanel offering for most plans. The company operates 18 data centers worldwide. Finally, the company garnered extra kudos by driving all its hosting services with wind power.
Also known as a Virtual Private Server (VPS), divides server resources into virtual servers, where resources can be allocated in a way that does not directly reflect the underlying hardware. VPS will often be allocated resources based on a one server to many VPSs relationship, however virtualisation may be done for a number of reasons, including the ability to move a VPS container between servers. The users may have root access to their own virtual space. Customers are sometimes responsible for patching and maintaining the server (unmanaged server) or the VPS provider may provide server admin tasks for the customer (managed server).
The web hosting provider got bonus points for its policy of performing regular daily backups, even on the lowest-priced shared hosting accounts. Be aware, though, that the promotional price on the low-cost shared hosting does go up after the promotional period. That said, Bluehost offers 24/7 phone support, a 30-day money-back guarantee and SSH access for certain plan options.