Posts by Joost de Valk

Joost de Valk

Joost de Valk is the founder and CEO of Yoast. He's a WordPress / Web developer, SEO & and an Open Source fanatic. He's also (and more importantly) the father of three sons called Tycho, Ravi and Borre, a daughter called Wende and the husband of the lovely Marieke, who also works at Yoast.

Read all about Joost de Valk or find him on Twitter Linkedin Facebook

Check out posts by Joost

WordPress SEO 2.0: focus on what matters

26 March 2015 by Joost de Valk » - 111 Comments

WordPress SEO 2.0

We’re proud to announce the availability of WordPress SEO 2.0. This release adds new features for Google’s Knowledge Graph and improves the design, layout & usability of the WordPress SEO plugins admin screens in many ways. Google Knowledge Graph Google recently introduced new features for their knowledge graph, allowing you to highlight yourself in the search […]

Category: WordPress

GA plugin security update & more

19 March 2015 by Joost de Valk » - 13 Comments

It’s been quite the week here at Yoast. Our release of a security update to WordPress SEO was followed by several other major plugins uncovering similar issues and a renewed interest among security researchers into big WordPress plugins. Turns out we had another issue to patch, so today we released an update to our Google Analytics »

Category: WordPress

WordPress SEO Security release

11 March 2015 by Joost de Valk » - 93 Comments

WordPress SEO by Yoast

This morning we released an update to our WordPress SEO plugin (both free and premium) that fixes a security issue. A bit more details follow below, but the short version of this post is simple: update. Now. Although you might find your WordPress install has already updated for you. What did we fix? We fixed a »

Category: WordPress

YoastCon: 5 year anniversary conference

5 March 2015 by Joost de Valk » - 9 Comments

This year in May Yoast will turn 5 years old. In May 2010 I founded Yoast. Now, almost 5 years later, we have 21 employees and we’re still growing! To celebrate our anniversary and our continued growth we’re hosting a conference: YoastCon! YoastCon will be a day full of great speakers, all speaking on what Yoast stands for: website optimization. »

Category: Announcements

rel=canonical • What it is and how (not) to use it

12 February 2015 by Joost de Valk » - 28 Comments


In February 2009, six years to the day from when this is published, Google, Bing and Yahoo! introduced the rel=canonical link element (Matt’s post is probably the easiest reading). While the idea is simple, the specifics of how to use it turn out to be complex. The basic premise is: if you have several similar »

Category: General SEO

WordPress robots.txt Example

5 February 2015 by Joost de Valk » - 36 Comments

WordPress Robots.txt suggestions by Yoast

The robots.txt file is a very powerful file if you’re working on a site’s SEO, but one that also has to be used with care. It allows you to deny search engines access to certain files and folders, but that’s very often not what you want to do. Over the years, especially Google changed a lot in how »

Category: General SEO

Our second eBook: Content SEO

3 February 2015 by Joost de Valk » - 32 Comments


After we released our first eBook, we felt we were missing one piece of the SEO puzzle too much. While a lot of the blog posts we write about SEO here at Yoast are technical, content SEO has always been at the core of what we do. We just never told that story very well. This time, Marieke »

Category: Content SEO

Local SEO strategy tips from Kristopher Jones

22 January 2015 by Joost de Valk » - 37 Comments

Two weeks ago, we asked our Facebook audience to post a question for Kristopher Jones about local SEO as a strategy. Kristopher is (among many other things) the founder of, a local search engine optimization solution for businesses that we really like. We chose the best five and got some interesting answers from Kris we’d like to share »

Category: General SEO

Public betas for our plugins

15 January 2015 by Joost de Valk » - 18 Comments

public betas for our plugins

Over the last few months we’ve been working hard on improving how we build and test our plugins. We’re writing more and more unit tests and are trying to prevent issues from popping up. There’s one recurring issue though: we can’t test everything. Hosting environments vary so much that we have decided to do more public »

Category: WordPress

The 2014 Yoast year in review

24 December 2014 by Joost de Valk » - 22 Comments

In 2014 Yoast once again grew exponentially. I thought it’d be fun to highlight some of the things that happened and show what we’ve been working on that might have been somewhat hidden. User base Our WordPress SEO plugin is now used by approximately 4 million users worldwide, with our Google Analytics plugin following with »

Category: WordPress