Here's how most teams ship features:
That's not data-driven. That's vibes with a dashboard open.
A/B testing is how you actually know whether a change made things better. You show half your users the old thing and half the new thing, measure the difference, and let the data tell you what happened. No vibes required.
Ship it
A/B test plan with hypothesis, sample size calculation, and success criteria
Build in public
Tweet: 'Stopped guessing, started testing. First A/B test showed our original headline was 40% worse than the variant.'
Rex — A/B Testing Fundamentals
Here's how most teams ship features:
That's not data-driven. That's vibes with a dashboard open.
A/B testing is how you actually know whether a change made things better. You show half your users the old thing and half the new thing, measure the difference, and let the data tell you what happened. No vibes required.
Ship it
A/B test plan with hypothesis, sample size calculation, and success criteria
Build in public
Tweet: 'Stopped guessing, started testing. First A/B test showed our original headline was 40% worse than the variant.'