Search engine optimization (SEO) is the process of improving the volume or quality of traffic to a web site from search engines via "natural" ("organic" or "algorithmic") search results. Typically, the earlier a site appears in the search results list, the more visitors it will receive from the search engine.
We enter some keyword, Meta Tags, Alt to the web page to submit it to the Search engine, We are the member of a Website which checks all the pages with special tool available to know that is the page have all the tags and have all required information to gain Good Ranking in Search Engine. After all this is done we submit each page to google with some criteria specification.