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Hello

Yes - after you do the redirects, Google will gradually start to show everything in one property. It may take a few weeks as they re-crawl everything.

But as far as your rankings, this might help a little bit, but there are a lot of other factors. Without knowing the industry, keywords etc it's really tough to say what else might be holding you back. There is no penalty for this kind of duplicate content.

Hope that helps!

Hi Corey

Don pretty much nailed this answer. I'll make sure to answer your specific questions:

• You're not negatively affecting your ability to show in search by noindexing tags. They almost never rank or get traffic since they are just pages of thin content. Noindexing them does not affect your other pages.

• No other repercussions - unless you have a random tag archive getting traffic. Check your analytics, and if so, you can individually leave specific tags indexed with the Yoast plugin. I wrote a post all about this a while back: http://www.evolvingseo.com/2012/08/10/clean-sweep-yo-tag-archives-now/

• You would have to figure out how to have unique title tags on each page - which is honestly more effort than is worth it. The Moz tool is showing an 'error' of duplicate content but the issue is just more that tag pages don't have much value and can just be noindexed and then ignored.

Hello!

You can likely just ignore them, as Google is most likely just ignoring them (they are not helping nor hurting).

If you are nervous though, just keep a close on the rankings and search traffic for your site, and specifically the pages the links are pointing to. If you don't see a huge ranking/traffic change the links are for sure not affecting you.

If you really want to be extra careful, you can simply just disavow the domain with the disavow tool. if for some weird reason the links are helping you, you might notice a drop in ranking, which you can just undo by removing the domain from your disavow file.