Posts by Thijs de Valk

Thijs de Valk

Thijs de Valk is a behavioral scientist, with a Master's degree in Pedagogical Sciences. He's turned geek to work at Yoast. He fills his days with marketing, sales, website reviews and coordinating support.

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Multivariate testing: what it is and when to use it

5 August 2015 by Thijs de Valk » - 3 Comments

We’ve written quite some posts on Conversion Rate Optimization and A/B testing on yoast.com in the last few years. However, we’ve never really touched the subject of multivariate testing. In this post I’ll explain what multivariate testing is, its pros and cons and when you should (and should not) be using it. What is multivariate testing? »

Category: User eXperience (UX)

Interpreting your A/B test results

22 July 2015 by Thijs de Valk » - 7 Comments

We’ve written a few posts on how to set up your A/B tests. However, the setup of your A/B tests is only the first step, obviously. Once you’ve set up a test and you’re getting some results, what should you do then? In this post I’ll be explaining how you can interpret your A/B test »

Category: User eXperience (UX)

Bing Webmaster Tools: Configure my site

4 March 2015 by Thijs de Valk » - 9 Comments

webmaster tools bing

Since we did a series about on Google Search Console. So we thought it was time to do a series about Bing Webmaster Tools as well. Bing isn’t that big in The Netherlands, or Europe, for that matter, but it still holds some ground in the US. The most important reason, however, is we think Bing Webmaster »

Category: Technical SEO
Tags: , ,

Google Search Console: Google Index

4 February 2015 by Thijs de Valk »

Google Search Console Index

This is already the third post in our Google Search Console series. We’ve written about the Search Appearance section and the Search Traffic section of Google Search Console. So if you jumped in here, and want to start at the beginning, please read those posts first. Today we’ll be going into the Google Index section, which obviously »

Categories: Analytics, Technical SEO
Tags: , ,

Improving our (plugin) support

20 January 2015 by Thijs de Valk » - 5 Comments

As you may know, most of the products and services we sell here at yoast.com come with support. In fact, the only products we sell that doesn’t come with support are our eBooks. And even for the eBooks you’re obviously welcome to ask us questions! And this post is about just that: our support. I’ll be showing you how we’ve improved »

Category: Announcements
Tag:

Visually direct and captivate your visitors

3 June 2014 by Thijs de Valk » - 14 Comments

In the last month I’ve been speaking at a few conferences with a talk I’ve dubbed “The Psychology behind Conversion”. In this talk I’m trying to explain why everyone who maintains a website should be interested in psychology and how it can help them. Being interested in psychology, especially when applied to the web, is »

Category: User eXperience (UX)

Why your tests aren’t scientific

12 September 2013 by Thijs de Valk » - 33 Comments

I read a lot of articles about A/B tests and I keep being surprised by the differences in testing that I see. I think it’s safe to say: most conversion rate optimization testing is not scientific. It will simply take up too much space to explain what I mean exactly by being scientific, but I’ll publish »

Category: User eXperience (UX)

Planning and checking your Conversion Rate Optimization

28 August 2013 by Thijs de Valk »

yoast SEO

During my attempts to optimize the conversion rates here on yoast.com, I’ve met with quite some hurdles and roadblocks. That’s why I thought it would be a good idea to write a post; so you won’t have to invent the wheel twice. Define your Intensive Care Pages Although it’s very tempting to start off your »

Categories: Analytics, User eXperience (UX)

Conversion rate optimization: hypothesise first, then test

19 June 2013 by Thijs de Valk » - 32 Comments

yoast SEO

Since I began working at Yoast, I’ve been busy with a lot of things, but my personal favorite definitely is this one: conversion. Maybe this is because of my background in behavioural science. Or maybe I just prefer bigger numbers to smaller ones. In any case, the fact remains: I’m hooked. Now, for the people »

Category: User eXperience (UX)