Search engine optimization is the process of increasing the quality and quantity of website traffic by increasing the visibility of a website or a web page to the user of a web search engine.
SEO refers to the improvement of unpaid results and excludes direct traffic/visitors and the purchase of paid placement.
SEO may target different kinds of search, including image search, academic search, news search, and industry-specific vertical search engine.
Optimizing a website may involve editing its content, adding content, and modification HTML and associated coding to both increase its relevance to specific keywords and remove barriers to the indexing activities of search engines. Promoting a site to increase the number of backlinks, or inbound links, is another SEO tactic, BY May 2015 mobile search had surpassed desktop search.
