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Duplicate 404 Error Pages

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  1. How to Detect and Deal With Toxic Content (That Could Poison Your Entire Site)

    Dead content: Pages that serve a 404 error because that file/content no longer exists. Duplicate content: Very similar or exact versions of the same page across different URLs, boilerplate copy across multiple pages where they're very little unique...

  2. 10 Website Quality Indicators That Can Sink Your SEO Battleship

    Generally, these can be fixed easily – in the case of a 404 error with a 301 permanent redirect or a server check for what is causing the 500 errors. Since the tags are unique, created by the author, often you wind up with many pages with one...

  3. Dear CMS: Don't Hinder My Search Results

    Some CMS tools will handle custom 404 error pages by responding with a server code 200 success. By allowing both the optimized URLs and the URLs made up of a parameter or other ID, this introduces an entirely new set of SEO inhibitors, which...

  4. SearchDay | Common Problems with 404 Error Pages

    Common Problems with 404 Error Pages SEM CROSSFIRE Misconfigured 404 error pages can affect your search engine rankings. The last thing you need in the Google index is an error page, but even worse are multiple URLs that were mistyped being...

  5. Common Problems with 404 Error Pages

    It may surprise you to learn that the way a Web site handles 404 error pages can affect search engine rankings. Although some would argue how much negative weighting is placed on sites with inconsistent or custom 404 error pages.