If you are using custom domains you are probably making this 75% ROI mistake!

This was the absolute weirdest test I made and it was only because I didn’t understand why new campaigns always performed very poorly.

I use several Voluum custom domains but in some cases I have the same lander for multiple campaigns. That lander has ONE click URL.

However, some campaigns had different URLs. This meant that the funnel entrance URL was one domain and the funnel exit (click URL) was another domain. This COMPLETELY ruined performance.

Simple but extremely valuable lesson: Keep ...