One of my sites has 141 pages indexed in Google in little over a fortnight. The site uses a shopping cart application which hooks up to Amazon and displays Amazon listings.

The shopping cart is powered by associate-o-matic which brings down a LOT of content from Amazon. I was concerned about duplicated content so I setup some modrewrite rules and I restricted indexing (robots.txt) of all URLS which contain a query string.

I tested this robots.txt file against a number of pages from my site via the Google Webmaster Console. Each and every time the robots.txt analyzer said that the page are restricted.

I permitted the inclusion of 14 entry pages via robots.txt and via a sitemap.xml file. These 14 entry pages are the only ones indexed in Yahoo.com. Yahoo has prevented indexing of the duplicated content (as it should do, well done Yahoo).

Google on the other hand has completely ignorned the robots.txt file and has indexed over a 100 pages of duplicate content which I said not to index.

In the Google Webmaster Console I have an alert stating that approx 250 URLs are restricted by robots.txt. But a lot of those 250 URLs are appearing in Google's index.

I can't understand why Google is doing this. Yahoo is playing ball and being correct by following my rules but Google is potentially lining me up for possible dup content issues further down the line.

Has anybody encountered any similar issues to that of mine? I can't disclose the URL at this time as the site is a work in progress.

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blog | Geansaí Gorm - Written entirely in, awful, Irish! | Me on Blue Jumpers
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You might find something on it here -

robots.txt:

Did you always have a robots.txt present ?

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my sites :

irish poker / irish jobs / seo faq / advertise jobs free / green card / skiing / geansai gorm

Yeah, had one from the start.
I'm hoping to see the pages drop out of the index in the next fortnight. If not then I'm going to have to get onto Google about this.