Search engine optimization

Practice and strategies of increasing online visibility Part of a series onInternet marketing Email marketing Referral marketing Content marketing Native advertising Search engine marketing Search engine optimization Local search engine optimisation Pay-per-click Cost per impression Search analytics Web analytics Social media marketing Social media optimization Social pull marketing Social video marketing Influencer marketing Viral marketing Marketing buzz Display advertising Ad blocking Contextual advertising Behavioral targeting Mobile advertising Affiliate marketing Cost per action Revenue sharing Misc Keyword density Keyword research PageRank WordPress CMS vte Search engine optimization (SEO) is the practice of improving the visibility and overall performance of websites and web pages in search engine results pages (SERPs). It focuses on increasing the quantity and quality of traffic from unpaid (organic) search results rather than paid advertising. SEO applies to multiple search formats, including web, image, video, news, academic, and vertical search engines, as well as AI-assisted search interfaces. SEO is commonly used as part of a broader digital marketing strategy and inv