Search engines are very powerful tools that can find anything on the net, but not all of the content on the internet is good so you need to be able to improve the quality and the volume of traffic to a website from search engines, through the use of natural (algorithmic or organic) search results this process is known as search engine optimization (SEO). Normally the faster a site is presented in the search results on a search engine, or the higher it is ranked among the results, the more chances that researchers will visit the site. Search engine optimization can be used to target specific image search, vertical search and local search engines.

Search engine optimization is an internet marketing strategy that takes into consideration how people search for websites and how search engines work, in order to optimize a website you will need to edit the HTML and the content on the website and coding to increase the relevance of the website to specific keywords and reducing barriers to the indexing activities of search engines, optimization can sometimes even include changing the site structure. The best time to introduce search engine optimization is when the website is being developed.