There’s a philosophical statistics debate in the A/B testing 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.
When should you use multivariate testing, and when is A/B/n testing best?
The answer is both simple and complex.
There’s a fine line between online persuasion and manipulation.
Marketers of all stripes are obsessed with tools.
Though no optimization program has ever hinged on which tool you used, there are important distinctions between A/B testing tools—from the statistics they use, their price, and more.
One thing that is often either overlooked or misunderstood is the difference between client-side and server-side testing tools.
Nothing is more frustrating than filling out a badly designed form.
It’s a common experience, though. How many times have you entered a password only to be taken back with red ink proclaiming “Error! Password needs a capital letter, two numbers, a special character, and a quote from a Fetty Wap song.”
Most product descriptions are awful. Or worse, non-existent.
Product copy and product descriptions seem like such minor parts of a website in the grand scheme of conversion optimization, so many brands brush it off. But for companies doing it right, writing excellent product descriptions is a great way to sprinkle brand personality in a place that most people don’t expect it.
In fact, some companies do product copy so well that it’s almost a feature of the product itself.