I was surprised when I saw the results of Adwords’ recent change to Quality Score reporting.

In particular, I had a client who saw a lot of 3/10 quality scores (they’re very relevant, but they generate good profits) drop to 1/10… but with no drop off in traffic.

What was going on?

The Adwords rep didn’t have an answer. Fortunately, Martin Roettgerding has written an excellent blog post explaining how the QS you see in your Adwords interface is now nothing more than an unweighted scorecard of 3 factors:

What Really Happened in the Latest Quality Score Update

I guess the real question is why Google decided it would be better for advertisers to know less about their actual quality scores.

Plain Crazy? Or is there some logic behind it?