Testing is the heart of creating a culture of growth - a culture where everyone on your team is ready to gather and act on data to make the customer experience better day by day. But how do you run a good test? Is it just a matter of finding something you're not sure about and switching it around, like changing a blue "Buy now" button for a red one? It depends: Did you decide to test that button based on analytics, or was it a wild guess? Assuming the former, a good test also means that even if it fails, you’ve still learned something. A bad test may make your website performance worse than before, but it’s even worse if you don’t take those learnings into account in the future. Get the full story at Google Analytics