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Originally published on rollgate.io/blog/ab-testing-feature-flags. Why A/B Test with Feature Flags? Most teams think A/B testing requires a dedicated experimentation platform — Optimizely, LaunchDarkly Experimentation, or Google Optimize (RIP). Thes...

If you’ve ever shipped a change because “the test hit 95%,” this post is for you. Statistical significance is often misunderstood — especially by product and engineering teams running experiments alongside feature work. What Statistical Significance...

“I never castle” - Tom, chess player “I never expand” - printf, Starcraft pro-player Constraints lead to innovation. Without constrains, the road is paved and the best you can do is optimize and innovate on top of existing paradigms. That’s how, with...

Suppose you come up with an idea to improve the conversion rates on your website. You could implement the idea and roll out the changes to all users. But what happens if the idea is only good on paper and fails in reality? In cases like this, conduct...
