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I'm using a WordPress site and I thought I got all the kinks out of it. For some reason Webmaster Tools is crawling my website and showing a lot of 404 errors which are from /_ like additional pages that I've never created. I just can't figure out what is creating these for Google crawlers and then displaying a 404.

My robots.txt is here.

My sitemap (created by the Yoast plugin) is here.

I have Yoast and Jetpack plugins installed. What could be causing these links to appear

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closed as off-topic by Stephen Ostermiller Jul 2 '13 at 15:32

  • This question does not appear to be about webmastering within the scope defined in the help center.
If this question can be reworded to fit the rules in the help center, please edit the question.

    
Have you checked where those pages are being linked from? (Click on the page name on the list under "Health > Crawl errors", then open the "Linked from" tab on the popup.) –  Ilmari Karonen Jul 1 '13 at 4:56
1  
@llmari "Linked from" and "in Sitemaps" show no data in any of the 404 errors. Now that i look at all the (256) 404 errors, they are all attachments or uploads (ie: pictures). –  Vermino Jul 1 '13 at 5:54
    
That's strange. This similar question and this answer to another related question suggest that these URLs might once have been linked from somewhere, and perhaps might have actually worked, and Google now keeps trying to recrawl them because it thinks there used to be something there. Sending a "410 Gone" response or redirecting them to a working URL might help, as might using the URL removal tool on Webmaster Tools. –  Ilmari Karonen Jul 1 '13 at 6:51
    
You got an answer to your question that should help you, but your situation is so specific that this question is unlikely to help anybody else. –  Stephen Ostermiller Jul 2 '13 at 15:32

1 Answer 1

up vote 0 down vote accepted

It is your blue 'want to advertise' banner at the top of every page.

It is linking to a 404 on every page as the link is defined as a relative URL linking to the page with an under score and hash tag appended.

<a href="_#"

So the banner links to a 404 page on every page it appears on.

e.g

on http://www.redcherryshrimp.net/ the banner links to http://www.redcherryshrimp.net/_

This is the view of the offending link in the source code:

 <div class="textwidget"><a href="_#"> <img src="http://www.RedCherryShrimp.net/wp-content/uploads/2013/06/728x90-Top-Banner-Ad.png"></img></a></div>
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wow i feel stupid now... I was testing out ad banners and must of been a Monday error. –  Vermino Jul 1 '13 at 16:51

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