Why use www2

They are usually used by developers who want to identify specific subdomains that are a part of different servers.

There are many reasons why website builders do this, but the biggest one is load balancing. By having several servers with slightly altered subdomains, a website can make sure that it will always be able to serve its visitors even in case of server crashes and overloads. When you type in your desired address, your web browser will automatically take you to a different webserver if the main domain is experiencing any issues.

Even if everything is working smoothly, the main server might currently just be updating, or in some cases, the browser just decided that the WWW2 site is the better way to go. Waite Paul D. Waite FirsDirect bank use this prefix Kyle Kyle 2, 2 2 gold badges 17 17 silver badges 23 23 bronze badges.

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Now live: A fully responsive profile. Related Hot Network Questions. In some cases, the specific hostname may be obscured, creating the appearance that the user is viewing the "www" subdomain, even if they are actually viewing a mirror site. Add a comment.

Active Oldest Votes. Web farms and load balancing Names like www1, www2, www3 are often used for members of a load-balancing farm of web-servers for popular web-sites where the workload is too much for a single server or where multiple servers are used to proivide continuity of service in the event of failure of a single server.

An example of how it works A front-end server at www. It's just a name It may just be that some parts of a large website are handled by different servers and rather than naming the servers shop. Improve this answer. The Overflow Blog. Does ES6 make JavaScript frameworks obsolete? Podcast Do polyglots have an edge when it comes to mastering programming Featured on Meta.

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