Why are some pages now duplicate content?

[MarketingEnergy]

It is probably a silly question, but all of a sudden, the following pages of one of my clients are reported as Duplicate content. I cannot understand why. They weren't before...

http://www.ciaoitalia.nl/product/pizza-originale/mediterranea-halal
http://www.ciaoitalia.nl/product/pizza-originale/gyros-halal
http://www.ciaoitalia.nl/product/pizza-originale/döner-halal
http://www.ciaoitalia.nl/product/pizza-originale/vegetariana
http://www.ciaoitalia.nl/product/pizza-originale/seizoen-pizza-estate
http://www.ciaoitalia.nl/product/pizza-originale/contadina
http://www.ciaoitalia.nl/product/pizza-originale/4-stagioni
http://www.ciaoitalia.nl/product/pizza-originale/shoarma

Thanks for any help in the right direction

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<colgroup><col style="mso-width-source: userset; mso-width-alt: 17225; width: 353pt;" width="471"></colgroup>
| http://www.ciaoitalia.nl/product/pizza-originale/mediterranea-halal |
| http://www.ciaoitalia.nl/product/pizza-originale/gyros-halal |
| http://www.ciaoitalia.nl/product/pizza-originale/döner-halal |
| http://www.ciaoitalia.nl/product/pizza-originale/vegetariana |
| http://www.ciaoitalia.nl/product/pizza-originale/seizoen-pizza-estate |
| http://www.ciaoitalia.nl/product/pizza-originale/contadina |
| http://www.ciaoitalia.nl/product/pizza-originale/4-stagioni |
| http://www.ciaoitalia.nl/product/pizza-originale/shoarma |

[zoicaremus]

Hi,

I used Copyscapefor these 2 pages:

http://www.ciaoitalia.nl/product/pizza-originale/mediterranea-halal
http://www.ciaoitalia.nl/product/pizza-originale/gyros-halal

And found that out of 915 and 918 words - 899 were identical in both documents.

But it's hard to say what happened previously - maybe you can give us more details?

[AlanMosley]

Remus said it well, they are obvious thin content pages, almost identical, Search engines don't want to list every variation of a simular page. You need to add more unique content to each page.

But when I visit, using IE 11 on Windows 8.1, I get a big warning about cookies. This can't be good for conversion. do you really need this warming?