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Why don't large popular sites such as SO use keyword and description meta headers?

I noticed that Stackoverflow and the other Stackexchange websites have very few of the expected meta tags (keywords, description, etc) in their html. The stackexchange sites consistently rank pretty well so I was wondering why that might be.

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marked as duplicate by John Conde Jun 15 '11 at 20:57

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2 Answers 2

Because the keywords meta tag was so often abused, many years ago Google began disregarding the keywords meta tag.

http://googlewebmastercentral.blogspot.com/2009/09/google-does-not-use-keywords-meta-tag.html

They sometimes use the description tag (see that article). The stackexchange sites rank well because of seo goodness like lots of incoming links and useful original content.

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+1 Also see: webmasters.stackexchange.com/questions/6/… –  Nick Jun 15 '11 at 11:05

Most meta tags are completely useless:

  • keywords is not used in ranking by Google and has almost no value (if not zero value) in other search engines.
  • description is used by search engines but because SO's content is entirely user-generated it's impossible to include a relevant meta-description that doesn't just repeat what's already on the page.
  • robots should be replaced by the more reliable robots.txt.
  • language is pretty much ignored by search engines. Regardless, the correct way to specify language is to use the lang attribute.

All the other tags are pretty much fluff that should either be set with HTTP headers (e.g. expires), visible on the page itself (e.g. copyright, author), or removed entirely (e.g. generator).

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