What’s the easiest way to evaluate if one version of your landing page performs better than another for the same ad?

Question

Accepted Answer

Run a Campaign Experiment on the existing campaign that switches between both landing pages

Answer

Replace the existing landing page with the new one and compare this month’s data to last month’s

Answer

Create another ad group for the new landing page and compare the two ad groups

Answer

Create another campaign for the new landing page and compare the two campaigns