I would suggest using the Website Auditor from Advanced Web Ranking. It can parse 10.000 pages and it will tell you a lot more info than just if it's indexed by Google or not.
Google Organic Click-Through Rates in 2014
10/1/2014 We've all been there. Trying to improve our organic rankings so we can get more traffic from the search engines. And every time we do that, we are left with some big questions in our minds, like: How much traffic would I actually get if I rank on the first page? This post offers a new study of click-through rates of various positions on SERPs in an attempt to answer those questions.
