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Why do URL with .html or index.php at the end are annoying to the search engine? I heard it can create some duplicate content but I have no idea why? Could someone explain me why is that so?

Thank you

Thank you for your help:)

But how do you identify that your JS is harming your menu? When do you know that JS is harming your nav?

Thank you!! Very helpful:)

It might sound like a dumb question but can someone provide me a technique to determine if the navigational links of a website is true HTML?

Thank you!!

Hi Guys,

I know that since a couple years Google can crawl and read better Javascript(JS), but JS can still harm your website especially in the navigational bar but I don't know how to identify it. Can Someone tell me how to identify in the source page when JS can harm your website?

Thank you guys for being so helpful!!:)

Thank you for your answers but I guess I didn't formulate properly my question.

My 1st question was: What kind of duplicate content is it?

• session id
• or url parameter

My second question is: How do you differentiate them? What do you look at when a duplicate content is a session id one or a url parameter issue?

Hi everyone,

I have an issue determining what type of duplicate content I have.

www.example.com/index.php?mact=Calendar,m57663,default,1&m57663return_id=116&m57663detailpage=&m57663year=2011&m57663month=6&m57663day=19&m57663display=list&m57663return_link=1&m57663detail=1&m57663lang=en_GB&m57663returnid=116&page=116

Since I am not an coding expert, to me it looks like it is a URL parameter duplicate content. Is it?

At the same time "return_id" would makes me think it is a session id duplicate content. I am confused about how to determine different types of duplicate content, even by reading articles on Seomoz about it: http://www.seomoz.org/learn-seo/duplicate-content.

Could someone help me on how to recognize different types of duplicate content?

Thank you!

On OSE, I am comparing two websites(A and B) and one has a page authority higher than the other (35(A) vs 36 (B)), but all the linking metrics are in favor for website A except for the linking C block (A has 11 and B has 12). The website B is ranked in page 1 for couple competitive keywords whereas the website A don't show up in the search at all. Why is that? Does B have better content and is more kw focused?