Zones of html code generally at the head of version html on every page of a Website, in the part “Head". It allows to include information designed for robots during their passage on the page for the indexation of Web pages on motors.
Meta Tags most used are:
- Title corresponds as the title of the page (about 60 characters),
- Description corresponds to the description of the page (about 250 characters),
- Keywords correspond to key words linked to the page (5 - 6 key words),
- Tags h1 to h6 (located in the part "Body" of the page) allow organization into a hierarchy by important levels of the subtitles of the page, h1 being the most important hierarchic level,
- Robot allows / prevents robots going through the page to index its contents and to follow links hypertexts which are there.