For a web resource, the content is all the information content contained on its pages in a wide variety of forms (text, graphic, video, audio, animated etc.).
Content quality is one of the main factors for obtaining positive results in the process search promotion. Moreover, the influence is observed both direct and indirect.
Uniqueness content and its optimization for key requests (within recommended limits frequency 1.5– 4 %) is welcomed by search engines and taken into account when forming relevant search results.
Accounting is also underway behavioral factors, which directly depend on the ability of the content provided to the eyes of visitors to satisfy their needs.
Therefore, the content should not only contain keywords, but also be relevant, interesting, useful, relevant and expert.