Sorry for my English,I hope you'll understand and do not break the brain reading this.How ROI after testing angle is good and may begin optimize my traffic source ? I want know the example of ZEROPARK. My ROI constantly jump up and dow(+30 to -80) and i want know what considered is normal !
How ROI is good for RON company.
When there is a sharp drop at the Landing conversion from 25% to 5% it's normal?
How ROI is good for RON company.
When there is a sharp drop at the Landing conversion from 25% to 5% it's normal?
