Comscore Ad Metrix provides the best instance of measuring the digital landscape at scale. They have a huge amount of the internet crawled with focusing on just this case.
We use both tools, but Ad Metrix helps significantly for determining industry trends and other more helpful data. We are actually in the process of removing the other tool since Ad Metrix gives us what we need.
They're both fairly similar in relaying data for us on our viewers. We've used comScore longer and are able to compare specific data to one another as well as competitor sites.
I use all three. Personally, I do not like Omniture. It feels clunky and I have to dig to find what I want. I use Google Analytics everyday just because of how much of an industry standard it is. A lot of clients also will use the Google Analytics tool and come to us with …