Check 404 errors in Webmaster Tools

  Google Resources

1. Log in to your Google Account

2. Visit Google Webmaster Tools:

2. Find your website and click on the URL
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3. Once your website information loads. Look on the left hand side to find Crawl –> Crawl ErrorsScreen Shot 2014-11-30 at 8.12.39 PM

4. After you click on Crawl Errors scroll down to below the graph and you will see the errors that appear.

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