Creating & Improving Your First A/B Test

Published: 2026-03-21 · CRO · Ricky Bandelin

You don't want to run an A/B test all by yourself. Why? Because there are so many amazing SaaS tools out there that do all the heavy lifting for you while ensuring your test results are statistically significant.

Key Takeaways

• The most important part of any A/B test is a clear, research-backed hypothesis
• Start with your highest-traffic pages where small improvements yield the largest absolute gains
• Only test one variable at a time to isolate what is driving any difference in performance
• Set your success metric before launching — not after seeing results
• Document every test, including losers, to build a library of insights that informs future experiments

These are robust CRO platforms that provide everything needed to run an optimization program in a methodical, sustainable manner. Some of the most popular tools are VWO, Optimizely, AB Tasty, Google Optimize 360, and Convert. Most offer at least a 30-day free trial, which should be enough to cover your first A/B test's duration.

Explore Different Platforms

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