For individuals that are not especially technically minded and who are not experienced with this sort of thing but would certainly love to be able to publish a website on the web, hosting can be quite a confusing product to order, full of all kinds of jargon and terminology - VPS being one. VPS are a symbol of 'virtual private server' and basically it just signifies that you could have your blog hosted using a shared server, although the software which runs it allows you're hosting account show up as you had dedicated server web hosting, that is in which you use a whole machine with only your blog running on there.
VPS can a plus in getting search results traffic when compared to cheapest type of shared enviroment. This happens because the search engines can identify who's going to be sharing a machine through the IP address, so if you're about the same server as dodgy sites then you certainly run the risk of being labelled dodgy yourself and being penalized while in the rankings. A virtual private server isolates you against any potential unintended side effects start by making it appear like you're only website for the server.
If you outgrow a shared plan it's rather a hassle and historic exchange signal of a different package. One of the big features of VPS is that gardeners can efficiently buy extra resources to take care of extra traffic whenever you require it.
If security are a wide concern of yours, in which case you ought to know that the security of the website improves on each step from shares to virtual private to server colocation.