Jeroen Wiersma is a technical marketeer. He writes about test development with javascrip , digital analytics, conversion optimization, and digital psychology.
JavaScript for Optimizers is a series of blog posts that teach you how to optimize your code, from start to finish. In this post, we will cover one of the most important conversion rate optimization techniques: inserting a total discount on your page. Why do you need one, you...
We’ve all been there: the frustrating task of manually adding the date in a form. Now, I don’t know about you, but when I am looking for the date format, my brain goes into overdrive. Are you going for MM/DD/YYYY? What if we want YYYY-MM-DD instead? How many days...
Want to test more than just the color of a button? Then, you need to learn JavaScript. I started a series covering practical step-by-step ways you can use JavaScript to set up winning experiments on your website. Each article in the series covers a different method of JavaScript, illustrated...
