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Lesson tag: Optimization

Bayesian vs Frequentist A/B Testing – What’s the Difference?

Author: Trevor Hatfield

There’s a philosophical statistics debate in the optimization world: Bayesian vs Frequentist.

This is not a new debate; Thomas Bayes wrote “An Essay towards solving a Problem in the Doctrine of Chances” in 1763, and it’s been an academic argument ever since.

Recently, the issue has become relevant in the CRO world – especially with the announcement that VWO will be using Bayesian decisions (Google Experiments also uses Thompson sampling, which is informed by a Bayesian perspective).

So what the hell does Bayesian statistics mean for a/b testing? First, let’s summarize Bayesian and Frequentist approaches, and what the difference between them is.

22 Brutally Honest Landing Page Critiques

Author: Trevor HatfieldComplexity: Standard

Some performers fear Simon Cowell when they walk out on stage.

Then there are those special few who actually embrace the fear.

They *want* to stand on that stage. They *want* to belt their heart out and see Simon sit there speechless, with a lump in his throat.

They want pop culture’s most infamous critic to impart some of his wisdom to help their career as an artist.

I applaud those artists.

35 Beautiful Landing Page Design Examples to Drool Over [With Critiques]

Author: Trevor HatfieldComplexity: Standard

A professionally designed landing page can improve your conversion rates.

This post is all about showcasing awesome landing pages, to give you some inspiration for your next design. It’s worth stating that no page is ever perfect – or conversely, every page can be better. With this in mind, we’ll be offering perspective on what makes each page special or interesting, while providing some insight into what we would try out in an A/B test experiment to optimize for higher conversions.

How to Build Websites that Sell: The Scientific Approach to Websites

Author: Trevor Hatfield

This book will make you money. It will teach you how to build your website in such a way that it converts visitors into leads or buyers.

Building websites that sell is not an art; it's a science. It's not about gut feelings and personal preferences - nothing to do with bells and whistles. You will learn how to optimize your website for sales, based on all the best research and experiments.