May to clearly state as a precaution want, but make sure your design is feasible.
I recently had a self proclaimed SEO expert/consultant email inform me how the HTML on the website was, in his words, 'Crap'. http://wnchildrenscenter.com/__media__/js/netsoltrademark.php?d=Bloghub.In.net%2Fprofile%2FMercedesDe