SEO News

Web Crawlers Search Engine Penalties

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  1. Common Problems with 404 Error Pages

    Incorrectly configured Web-servers that respond with a status header value of "200" (or any other erroneous value) are exposed to significant risk with respect to search engines' "duplicate content penalties.

  2. Google: Can The Marcia Brady Of Search Stay Sweet?

    No one suggested that the ad reps could get someone an improved ranking, but there were plenty of anecdotes where people found missing pages finally got included or that spam penalties imposed ages ago on a site might get removed.

  3. The Search Engine Update, March 18, 2002, Number 121

    Understanding linking and link popularity is crucial for achieving high search engine rankings -- and for avoiding penalties for abusing the often-times unspoken rules. Given this, it could have been found by any decent crawler-based search engine...

  4. How AltaVista Works

    AltaVista may impose relevancy penalties or remove pages from its web index altogether, if the pages are found to be spamming the service. Spam penalties include The program can even be used to submit URLs to AltaVista from sites that block search...

  5. The Search Engine Update, April 19, 2001, Number 99

    Moreover, it would be especially hard for search engines to implement such penalties fairly. I've also added a new section to the Submitting To Search Engines & Encouraging Crawlers page, which covers advantages to having a "shallow" versus a "deep...