What is SEO? SEO stands for S earch E ngine O ptimization. SEO is all about optimizing a website for search engines. SEO is a technique for designing and developing a website to rank well in search engine results. improving the volume and quality of traffic to a website from search engines m arketing by understanding how search algorithms work, and what human visitors might search. SEO is a subset of search engine marketing. SEO is also referred as SEO copyrighting, because most of the techniques that are used to promote sites in search engines, deal with text. If you plan to do some basic SEO, it is essential that you understand how search engines work. How Search Engine Works? Search engines perform several activities in order to deliver search results. Crawling - Process of fetching all the web pages linked to a website. This task is performed by a software, called a crawler or a spider (or Googlebot, in case of Google). Indexing - Proce