Debunking The 5 Most Prevalent Experimentation Myths

Published: 2026-03-27 · CRO · Ricky Bandelin

Stop stressing over digital experimentation and CRO

Key Takeaways

• You do not need massive traffic to run meaningful experiments — you need the right test design
• A/B testing is not limited to buttons and colors — page layout, copy, and offers are high-impact test areas
• Statistical significance does not guarantee a winning variant will outperform forever
• Experimentation programs require discipline, documentation, and iteration — not just one-off tests
• Small businesses can and should run experiments to improve marketing performance

When it comes to any sort of popular digital marketing concept, there seem to be a lot of myths and misconceptions that just float around. You might have come across many of them yourself: "SEO is dead", "social media is over-saturated" – the list goes on and on.

Here's a good rule of thumb: you should always take these over-generalizing claims with a grain of salt, especially when it comes to digital experimentation and CRO. We've debunked five popular myths surrounding experimentation and CRO.

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