PPC bidding on the Google Content  Network needs more attention than bidding on their Search Network. With search you don’t have to monitor it as much as you have to with the content network. Just this past few days, my CPA was up by 10% while conversion rate dropped by 5%. The source of the problem? The number of non-converting clicks was up by 50%. These clicks came from 100% CTR websites in Google’s Content Network. So, exclude, exclude, exclude. Now my CTR and CPA is back to normal.

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