How Search Engines Work
As a search engine optimizer it is imperative you understand how search engines work. In general, you will probably be working with Google, Yahoo! and Bing search engines, but if you target different international markets, you might be dealing with Yandex, Baidu, and other SEs as well. Understanding how search engines work, what crawling and indexing mean, and how SEO’s practices must adapt to these algorithms. How Search Works – Google created this visual story that makes it really easy to understand how search, crawling and indexing work. It gives important cues on how Google extracts information from their index in order to provide you with results they think will be most relevant for the queries you enter. Inside Search – Check this out for more accurate and detailed information on how search works, what algorithms are and what they do, and how Google works to fight spam in order to give you only the most relevant, freshest results. The page also leads you to their Webmaster