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Thank you MoosaHemani for your quick answer, that is a relief. I think I will ask the client to delete all errors again and have them check when Google processed the latest sitemap, just in case.

One of my campaigns is doing great in the sense that the website has been running fault free for a few months now. Great, of course! But... in Google Webmaster Tools errors keep coming in showing older media documents and pages. And it does not say where they are from. Probably this is more a Google question, but I thought I'd try to find some answers here first. I would appreciate any suggestions and help.

Monique

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 |

Thanks Thomas for all the extra links. I will check them out later!

Over the last few months, I have come across a great variety of opinions on the use of meta keywords in the SEO plug ins or tools I fill out for customers. Some people and organizations advise to leave that field empty, others suggest to use maximum 3 keywords, but I have also heard 5 or maximum 20. I am quite confused about this? Does anyone know Google's latest opinion on this? And what about the other search engines Yahoo and Bing?