2.3 How to make sense of test results
Once your test is live, how do you know if it worked? In this module, you'll learn why organic traffic is your true north star metric and why rankings and click-through rates alone can mislead you. By the end, you'll understand the credible intervals, box plots, and confidence bands that separate winning tests from inconclusive ones, and how to use secondary metrics to validate your results without letting them override what the traffic actually shows.