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Thank you Paul.

Lessons learned: Do track both www and non-www sites separately as you suggested. I noticed on the Google Webmaster Tool, it even recommends tracking https if the site moves to the secure environment from http. I do see the results being slightly different, but not a lot.

The big difference in the results I noted earlier (site crawl issues) was because the scanning was still in progress. After a couple of days, the numbers got much closer together.

Thank you for the suggestion. Screaming Frog is awesome!

Thanks for responding, Andy.

To  clarify, there's only one site--with the non-www site pointing to the other.

However, I should point out the site is a new Wordpress just launched 5/25. Not knowing any better, the Moz set up had the non-www so we saw a ton of crawl issues including the 901. That's when we added a new campaign with the www and saw the different results as noted above.

Tom

Given that both urls go to the same identical site.

With www.url campaign set up, search visibility is 4x greater. Site crawl issues: 270.

Total visit is 10% more without www.url with site crawl issues: 51,305.

Both have the same Domain Authority and External links.

I'm curious on why the difference. TIA.