Meta tags located in Head section of your HTML codes. Search engines gives information about the web site’s content.
Title is not a meta tag but we explain it too.
SEO (Search Engine Optimization)
Title: It is the most important for search engines. It should not be more than 80 characters long, the 81st and characters beyond are ignored.
Description should not get over the 200 characters.
Keywords: They are the words that explain the site’s content for search engines. You should use comma between words and It should not get over 20 words. If you add too many words, search engines can give penalty your web site.
Abstract: It is a sentence that represents page content for search engines.
Classification : It offers only 2 words for page’s category.
Language: The page’s language
Rating : If you want everybody can join web site , you should make “All”.
Robots: It expresses how does robot work ?
Index/noindex: It takes your page to archives or not
Follow/nofollow: It scans and indexed the other pages which related to pages.
Imageclick/noimageclick Picture links
Archive/noarchive : take the pages to archive or not.
All : It takes everything of pages to archive.
Revist-after : It visits the robot page again after 7 days.
Cache-control: Page is not archieved by search engine
It declares the dates of activities which we announced.
Page is not put to cache.
When spiders walk in your site, and It reads every lines from top to bottom. Spiders especially take care the lines located in top section of source codes. If you think the composition of real world, You use the text t otop top which you want to mention firsly.