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You do have to change something if you want to get rid of this issue. I suggest you to read this helpful post from Seomoz: http://www.seomoz.org/learn-seo/duplicate-content to start with.

Hi,

you can start with this helpful tool: http://schema-creator.org/organization.php . Once you have filled the text fileds you're ready to go. You can add rich snippets wherever is necessary. You may use it for company's adress/informations for example. And then test it: http://www.google.com/webmasters/tools/richsnippets

I used them on this page (in the footer): http://www.posamarmizanon.it/servizi_posa_lucidatura_marmi_graniti.html

I also suggest you to check out this Introduction guide from google: http://support.google.com/webmasters/bin/answer.py?hl=eng&answer=99170

Thanks Peter for the reply!

What do you mean by "bad internal links" ?

I'm  well ranked so based on your suggestions what I have to do is to set up properly the rel=canonical tag and rel=alternate, right? I'm still bit scarred about duplicate content report  in the SEOmoz campaign. 2.700 warnings is kind of a big deal.

Can you post the url of your site please? Did you make significant changes lately like redisgn ?

Thanks Raj! I will for sure re-write the dynamic urls into static and that's a starting point.  Take for example these pages:

http://www.grappa.com/eng/grappa.php/argomento=grappa_in_italy/idsezione=1/idpagina=13

http://www.grappa.com/eng/grappa_dettaglio.php/titolo=grappa_in_italy/idpagina=13/idnews=1/idsezione=1

Do you suggest in this case to use rel=nex, prev ?

I thought about using rel="alternate" for the multilingual issue, but now my site redirects automatically from www.grappa.com to www.grappa.com/eng/index.php. is that bad for SEO? Should I put rel="canonical" to www.grappa.com ?

Many thanks

Hi,

for grappa.com I have about 2700 warnings of duplicate page content. My CMS generates long url like: http://www.grappa.com/deu/news.php/categoria=latest_news/idsottocat=5 and http://www.grappa.com/deu/news.php/categoria%3Dlatest_news/idsottocat%3D5 (this is a duplicated content).

What's the best solution to fix this problem? Do I have to set up a 301 redirect for all the duplicated pages or insert the rel=canonical or rel=prev,next ?

It's complicated becouse it's a multilingual site, and it's my first time dealing with this stuff.

Thanks in advance.