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Thanks for the quick reply, Mike.  I did very recently change the title tags for many of the pages that are coming up as [No Title], so I was wondering that -- maybe OSE just needs time to catch up.   I guess as long as the tags are coming up ok in Google, everything's cool - you think?   Appreciate your help--

I see this when researching top pages.   I know for a fact that the pages have title tags that appear to be fine on google and our site, so I'm not sure what the [No Titlle] means or why it's appearing in Open Site Explorer.  Thanks!

Thank you, George!  Yes, our registered users are cookied so we can serve up pages based on their individual preferences.  Has anyone else changed their homepage in that way - to a more personalized experience --love other insights on what we should be thinking about from an SEO perspective.

Home page redesign advice, please.  We're a growing college textbook publishing company; a unique one in that we publish everything under an open license.  Our homepage www.flatworldknowledge.com has a solid page score (80), and since our product serves several different customers/audiences -- students, faculty, bookstores -- we're transitioning to a dynamic home page approach.  Returning instructors will be served a personalized faculty page, returning students a student oriented page featuring the books they've most recently accessed, and first time/anon visitors will receive a more neutral welcome page until we know more about them.

Pros, cons with this change to a dynamic homepage?

What should we be thinking about/concerned about from an SEO perspective?

How do you address title tags?

Will this approach dilute page authority?

Thanks all!