Search engine optimization is a service that people use to optimize their website, blogs, channles, video, content . This service help search engine mainly two biggest search engine as follows 1.Google 2.bing to rank their website at the top of the list. In this service here is two TYPES of seo. AS FOLLOWS 1.white hat seo 2. black hat seo We just prefer white hat seo that is lengthy and time taking process but here is gurantee of ranking at top with the passage of time and work. Because in case of black hat seo we can rank in less time but the algorithms of search engine are strong enough to detact our cheating so we can get panelty in that case and we'll be just no more.