Usability-first Search Engine Optimization

Google Webmaster Tools Upgrades their Crawl Errors Feature

This week Google added another source of useful data to the crawl error section of their Webmaster Tools. The original addition of this feature to the popular tools in August 2006 allowed account holders to view the types and counts of server crawl errors such as URLS not found, not followed, restricted and timed out. Due to popular demand, this feature is now complimented by the internal or external sources of ‘Not found’ (404) crawl errors

Webmaster Tools Now Feature Sources of Crawl Errors

Whether you choose to view the data in the online application, or download all your crawl errors for later analysis, webmasters may use the data to track down exactly where the 404 errors are coming from, fix the internal ones, and attempt to fix the external ones

Crawl Error Sources Data Benefits Search Engine Optimization

If your server spits a 404 error because of an external linking error, the valuable link juice need not go to waste. Knowing the source of the 404 allows you to either contact the site owner to request a correction, or, you can simply 301-redirect the misspelled URL to the correct version. Presto, the vote for your site as an authoritative source of content is restored, earning you the valuable natural Pagerank points that your site deserves from the incoming link