A beginner-friendly walkthrough of A/B testing basics.
You show version A to one group and version B to another. The results show which one performs better — no guessing needed.
Test a single headline, button, or image. If you change five things at once, you won't know which one worked.
Decide what better means before you start — more sign-ups, more clicks, fewer bounces. Measure that, nothing else.
Send half your visitors to A and half to B at the same time. Same days, same traffic sources — that's what makes it fair.
Ending a test after a few hours usually gives noise, not answers. Wait until you have enough visits for a real signal.
Checking daily and stopping at the first win is a classic mistake. It often produces false results.
A sale, a holiday, or a traffic spike can skew your results. Note anything unusual that happens during the test.
Ship the winning version — then pick the next thing to improve. Testing is a habit, not a one-off task.
Full step-by-step guide at the link below.