When can I stop my split test? How much traffic do I need for my A/B test? Can I trust my test data? Get the answer to these common questions and a basic introduction to test validation and determining statistical significance of your A/B split tests.

The only thing that’s worse than not testing, is relying on bad data. In order to conduct experiments that provide real value, you have to be familiar with the basics factors: Statistical Confidence, Conversion Range, and Sample Size.

In this 10-minute video, I’ll give you a basic introduction to finding out how reliable your test data is. Continue Reading

How do I avoid getting inconclusive tests? What are the best ways to optimize sign-up forms – besides removing fields? What are the best tactics for optimizing the checkout experience?

These questions and many more are answered in this half-hour video from the Expert Panel, 30 Ideas in 30 Minutes, that I was part of at the 2012 Optimization Summit in Denver. The video is packed with actionable advice and well worth watching if you want to get more out of your CRO initiatives.Continue Reading

You don’t need an expensive technical setup or a background in coding to start split testing your website. In fact, you can get started for free in a matter of minutes and with no knowledge of coding or HTML. In this short video, I’ll show you how to set up an A/B split test in 3 minutes using my favorite tool, Visual Website Optimizer. WARNING: Split testing is highly addictive! Proceed at your own risk.

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