Hey, GSA pplz.......
Wondering: Which is best? In terms of SEO, specifically.
I tend to use naked domain because I feel it looks nicer, but if using WWW would give a site a boost or otherwise benefit somehow, SEO-wise, I'm all for changing my domain set-ups.
I notice, upon checking out the GSA's site that www is preferred, even here. As does Amazon. As does Ebay.