A WebmasterWorld thread is reporting either a somewhat widespread glitch in Google Webmaster Tools or some sites that are having issues. I am personally able to validate the issues, so let me show them to you.
I logged into Google Webmaster Tools, clicked on "Diagnostics" and then on "Content analysis" and then selected the "Duplicate title tags" report. I then clicked on the plus sign on one of those results, specifically a conference coverage session that we covered at least three times under the same title. Here it is:
So, they all show different URLs, i.e. /archives/000161.html, /archives/001078.html and /archives/013900.html, but when you click on any of them, they all go to the /archives/000161.html version. So, I took a peak behind the HTML in webmaster tools to see, yes, Google is indeed linking every page to the first URL.
- <a href='http://www.seroundtable.com/archives/000161.html' target='_blank'>/archives/000161.html</a>
- <a href='http://www.seroundtable.com/archives/000161.html' target='_blank'>/archives/001078.html</a>
- <a href='http://www.seroundtable.com/archives/000161.html' target='_blank'>/archives/013900.html</a>
But why? Is this a bug or does Google really take the liberty to redirect them as duplicate pages to the first page? No!
A search for Search Term Research & Targeting returns two results at the top from the Search Engine Roundtable. Here is a screen capture:
Notice, the /archives/000161.html version isn't even listed in this version. If I expand the results, to show all results from the Search Engine Roundtable, then it will show a total of four results (not three) and it will include the /archives/000161.html result.
So, it seems like a reporting issue in Google Webmaster Tools and I would not worry that your site has major issues.
Forum discussion at WebmasterWorld.
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rustybrick in Google Optimization at July 8, 2008 8:02 AM
Comments (6)



Comments
The pages being reported in Webmaster Tool's Duplicate Title tag section are correctly being flagged as containing duplicate title tags. However, as your post outlines the pages are displayed as URLs with underlying links which all incorrectly point to the first page listed for a given duplicated title tag. This issue should be resolved soon but in the mean time everyone can use the "Download this table" link to view a spreadsheet containing the duplicate title data in a format that is not impacted by this issue.
Posted by Jonathan Simon at July 8, 2008 17:14