Search engine optimization (SEO) is a subset of search engine marketing, and deals with improving the number and/or quality of visitors to a web site from "natural" (aka "organic" or "algorithmic" search engine) listings.

In effect, SEO is marketing by appealing to machine algorithms to increase search engine relevance and ultimately web traffic.

SEO strategies vary widely, in accordance with the specific site.

Broadly speaking, SEO may be geared towards increasing either, or both, the total number and quality of visitors from Search Engines.

For more information about the topic Search engine optimization, read the full article at Wikipedia.org, or see the following related articles:

Search engine — A search engine or search service is a document retrieval system designed to help find information stored on a computer system, such as on the World ...  > read more

Web crawler — A web crawler (also known as a web spider or web robot) is a program or automated script which browses the World Wide Web in a methodical, automated ...  > read more

Google — Google Inc. is an American multinational software corporation, first incorporated as a privately held corporation in September, 1998, that ...  > read more

HTTP cookie — An HTTP cookie is a packet of information sent by a server to a World Wide Web browser and then sent back by the browser each time it accesses that ...  > read more

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