Side by side: Comparing two performance marketing tools/agencies
Columnist Andreas Reiffen shares his method for testing two different AdWords tools/agencies -- a process which could also be applied to test different campaign strategies.

As performance marketers, we’re conditioned to want to test everything. From the impact of feed titles to the incrementality of each channel, we want to be sure that we’re making the right choice before we commit all our resources to something.
That goes for deciding which tools/agency to use as well. Moving your performance marketing activities from one tool/agency to another (or picking one to start with) is a big commitment and not one you should take lightly.
Most (probably all) tools/ agencies claim to do the same basic thing: improve your campaign performance. The way they do this or the methods they use will differ, but with so much choice out there, how are you to know which one will actually deliver?
[Read the full article on Search Engine Land.]
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