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I am working with a site that is using tables to display data.  My question is should I nest header tags within the table header , or tags. For example, the beginning of a new row could have a "row header" that is an tag, or the caption is an .

Hello, We're in the process of launching MultipleSclerosis.net and are a bit confused with how to present some specific information. Looking at pages such as http://multiplesclerosis.net/symptoms/, http://multiplesclerosis.net/what-is-ms/courses-patterns/ and http://multiplesclerosis.net/treatment/prescription-nonprescription-medications/ is it better to keep this data structured as divs, and style them as tables or to keep them as tables and style them accordingly. Though not technically "tabular" data, i'm not too sure how to handle this. The text to code ratio is quite high with the divs in the markup, which though i'm not overly worried about, it could cause some issues with the site's indexability. Thanks I appreciate any feedback.

We are in the process of making significant URL name/structure change to one of our property and we want to keep the social equity (likes, share, +1, tweets) from the old to the new URL. We have been trying many different option without success. We are running our social "button" in an iframe. Thanks

It has been 12 months, and it is time for some serious SEO reality check up. I think we have done some really nice things (social integration, on page optimization etc) but we honestly could do a million time better on some other elements (anchor, text, link building etc...). Would love to hear from the community what would be the top 10 criteria you would use to judge the quality of the SEO work done for a new site during is first 12 months. PS: we are a very content rich over 1,500 new articles/post in our niche with 12 months -  our site is migraine.com Thanks

Can any member of the Moz team or of the community comment on the most recent OCE/linkscape update as of 09/08/2011. It appears that the link data capture for one of our platform is dramatically different than previously and that there are some huge discrepancies? Any update on the change would be appreciated as we use all these updates as benchmarks. Thanks

If yes what is the trick because we can't figure it out. (no black hat techniques please) Thanks

We are working on the mobile version of a large site (migraine.com) and will be using a separate theme for it (directing visitors to m.migraine.com)- what are the necessary code or other important step we should take so that we do get penalized for having duplicate content? Thank you in advance for your responses

I have read many conflicting articles on this topic. I understand that running a PPC campaign at a launch phase of a site can get a lot of insights such as exact traffic patterns etc. But the question is: is there a correlation or not with increased rankings position for new site as search engine are forced to crawled that given landing page to give your ad a score? Thanks in advance for your answers and opinion