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I've got a client that wants a site with all content in iFrames. They saw another site they liked & asked if we could do it.  Of course we can technically.  How big a negative hit would they take with SEO?  Is there anything we can do to mitigate it, such as redirects, etc? Thanks for the help!

We understand the value of a keyword phrase included in the URL.  Is there more value to having that phrase in the folder name of the URL or the file name or does it matter? Example: http://www.biztoolsone.com/website-design.php or http://www.biztoolsone.com/website-design/ Which is best? Thanks,  Wick Smith

We inherited some sites from another vendor & they have these tags in the head of all pages.  Are they of any value at all? Thanks for the help! Wick Smith

We've inherited some sites from another developer that had the following tag: All references I can find to it are from 2004.  What is the purpose and is it worth including in pages/sites we build?

This question was asked before but I didn't see a clear answer to it.  If I've got a site that has as it's home page: http://www.mysite.com/, and there are many references within the site back to the home page that point to /index.php, should I include a canonical tag in the index.php page like this: to avoid a duplicate content issue, and to have all juice from both links combined into one?