Moz's Spam Score - WWW v Non-WWW
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Given that going with a www or non-www TLD is a coin-toss in Google's eyes, I'm curious as to how this relates to Moz's spam score (if at all)? Specifically, we've got a client who has several sites across a number of industry verticals, and for some of them, the www and the non-www versions of their websites are both in play (sigh). Obviously we'll sort that out shortly, but my question is why, when we put both TLDs into Open Site Explorer does the www and the non-www version of the sites get different spam scores? With some of their sites (www v non-www) the difference in the spam score might be a 2 for the www v a 3 for the non-www. But in others it might be 0 for the www v 8 for the non-www! And it's unclear which one is the 'real' spam score, as there seems no rhyme or reason to the results.
Anyway, any thoughts from the room would be appreciated.
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I would guess its related to your issue "www and the non-www versions of their websites are both in play" meaning that MOZ is crawling them both as separate sites and you will have different links going to the www version than you will the non-www version, which will give you different spam scores.
It would be good to compare the link data that MOZ gives you between the two URLS, downloading the CSV of both and having them side by side in one spreadsheet might be easier, this should give you an indication of what links are causing the spam score to be higher.
I would also suggest loading both www and non-www versions of your website into Google webmaster tools if you haven't done so already.
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