SEO is a short form for Search Engine Optimization. This is basically a process which gives the search engine an indication that your page is relevant to the query/search that is being done. Several factors influence the selection of a page on a query. With time, the answers to the queries have become more relevant.
SEO Hosting is used widely to rank your website using network sites. In addition to backlinks, websites should be interesting and informative, which will lead to an increase in traffic and sales. It is not sufficient if you have a wonderful website, people need to visit your website and only then will it get converted to sales.
The theory is that a search engine will pick/select your website if has links pointing to it from related sites that are located on unique Class C IP’s. As a result, websites try to own many IP’s for several sites, allowing them to create links to the sites, to avoid detection by the search engine.