We plan to bring eChai across 100 cities in India. The next eChai Startup Demo Day is on 29 August in Bengaluru and Pune. The next after that is on 26 September, all in person, with 12 cities confirmed and 516 founders registered. See your city
Everything from

cxl.com

2 resources from cxl.com we point founders to, and the questions each answers.

📄 Article
Free Intermediate

The most rigorous free explainer on running valid tests without fooling yourself with noise - essential reading before you're tempted to call a test 'significant' after 40 conversions.

What Is A/B Testing? The Complete Guide: From Beginner to Pro

From cxl.com by CXL

  • Calculate sample size ahead of time rather than eyeballing a dashboard - a rough rule of thumb is 350+ conversions per variation before trusting a result.
  • Conversion research, not guessing, is what generates test ideas actually worth running.
  • Test the biggest friction point you can find, not the ten-minute button-color change.
Open cxl.com →
Answers I barely get 500 visits a week. What should I A/B test first, and can I even trust the results?
🎓 Course
Paid Advanced

The closest thing to a structured, practitioner-built curriculum in CRO - 20 courses across research, testing and psychology for a founder ready to move past ad-hoc fixes into an actual testing program.

Conversion Optimization Minidegree

From cxl.com by CXL Institute

  • Covers conversion research methodology, A/B testing statistics and behavioural psychology across roughly 20 courses.
  • Built for marketers and growth leads who want to run a real experimentation program, not just one-off tests.
  • A genuine time and money investment - worth it once you have enough traffic to actually run tests on.
Open cxl.com →
Answers I barely get 500 visits a week. What should I A/B test first, and can I even trust the results?
eChai Partner Brands