Dev Blog


Yoast SEO: announcing breaking API Changes

26 August 2015 by Joost de Valk » - 13 Comments

Yoast SEO plugin

As we announced a while back, we’re working on real time content analysis functionality for Yoast SEO. While we wanted to preserve backwards compatibility, we’ve come to the conclusion that we won’t be able to for some filters. This means that some themes and plugins, who integrate with our page analysis functionality, will need to be updated. We »

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Moving your website to HTTPS / SSL: tips & tricks

16 April 2014 by Joost de Valk » - 39 Comments

yoast SEO

In January I wrote about our plans in moving Yoast.com to SSL. We’ve since done that, with great results from an SEO perspective: we had no negative effect on traffic, whatsoever. Two weeks ago, we also moved our tool Quix to https. There are quite a few things we learned in the process of moving these two »

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Breaking up responsive design

19 December 2013 by Michiel Heijmans » - 60 Comments

AMP for eCommerce

Over the last couple of weeks I have been dealing with the fine art of CSS. Although that is not my daily business anymore – because I lead the website review team here at Yoast – I really enjoyed mastering SCSS and using that for an actual design. During this field trip, I encountered several »


Standardising WordPress theme hooks

20 June 2013 by Joost de Valk » - 16 Comments

I’ve been working on integrating our SEO plugins more deeply with Genesis the last few weeks and something dawned on me. Ever since I wrote my post on Genesis 2.0, I’ve been thinking: Genesis started a small revolution, but we should open that up. More theme developers should start doing a Schema.org API and if »

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Schema.org & Genesis 2.0

28 May 2013 by Joost de Valk » - 37 Comments

About a week ago, we “migrated” Yoast.com to Genesis 2.0, in the process we switched to their new HTML5 / Schema.org code and we slightly updated our design, making the header shorter and making improvements to our responsive design. This was a bit of work, but not even half as much as that sounds like »

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Why relative URLs should be forbidden for web developers

17 August 2012 by Joost de Valk » - 60 Comments

Many web developers still use relative urls in their CMS. A relative url is a url that is not complete. Usually it’s just the last part (the path) of a url, which means the domain name is left out. It’s often used by web developers, because it comes in handy when moving content from a test or »


XML Sitemap PHP script

19 July 2011 by Joost de Valk » - 25 Comments

xml sitemaps do you need them

Recently, while working on the site for my father in law (in Dutch), I wanted to create an XML sitemap for the many publications on his site, that are downloadable PDF’s. I regularly add PDF’s to his site too, and since I’m a tad bit lazy I don’t want to keep updating the XML sitemap. So »

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Web Intents from Twitter

7 July 2011 by Joost de Valk » - 23 Comments

At the end of March Twitter released a cool new feature called “Web Intents”. I didn’t really see the value of it till recently, but I’ve now started using it way more. When you have a Tweet button on your site, you’re already using the Web Intents API, but you can do way more cool »

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Email Reliability: use an SPF record

6 July 2011 by Joost de Valk » - 23 Comments

A while back I outlined my system for preventing comment spam. One of the core fundamentals in there is that I send people an email to verify their email address before their comment is published. For this to work well, I need to trust on my email to be received. As it turns out, email »

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Custom Post Type Snippets to make you smile

17 June 2011 by Joost de Valk » - 20 Comments

Custom Post Type goodness

So it’s friday, I’ve been coding all day and I thought I’d share some of the cool snippets I’ve come across and/or developed today. I’ve mostly been working with Custom Post Types and Taxonomies, so let me share some of that goodness. Let’s geek out in a bit, but first let me show you why »

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