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.

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Using a CDN for your WordPress blog

6 July 2009 by Joost de Valk » - 151 Comments uses the MaxCDN WordPress CDN service. When I started using this, the speed improvement was mind boggling. Before, I could only get the front page of this site to load in about 7 seconds, measured by Pingdom, (check here, f/i). Now, the front page loads in about 1.1 second, and sometimes even less… You […]

Category: WordPress

Playing around with

3 July 2009 by Joost de Valk » - 14 Comments

Update: my WordPress blog is now hosted on, check out my article on WordPress Hosting, you’ll also read there that I actually use a different image than the one below, though the steps are almost the same. So the guys who run WestHost and provide me with my awesome WordPress hosting, are a sister »

On the GPL, Themes, Plugins & Free.

2 July 2009 by Joost de Valk » - 44 Comments

So, we’ve finally got an official word on this, the one sentence summary by Matt reads: PHP in WordPress themes must be GPL, artwork and CSS may be but are not required. Ok, so that’s the final truth, because the Software Freedom Law Center (who are of course absolutely NOT partial in this, even though »

Category: WordPress

Yet Another WordPress Podcast

1 July 2009 by Joost de Valk » - 22 Comments

I’ve just agreed with my buddy Daron Babin of WebmasterRadio.FM to be the host for a weekly WordPress podcast, no names or time slots decided yet but I’m so excited about the news that I wanted to share it with you all! All your suggestions for names, topics and guests are welcome in the comments!

Category: WordPress

New Plugin: RSS Shortcode

1 July 2009 by Joost de Valk » - 31 Comments

Yesterday, while working on a project for Springer Uitgeverij, I was amazed to find out there is no simple RSS Shortcode plugin, that simply allows you to do this: And then that would show the feed you’d specified. Well, now there is: the RSS Shortcode plugin. It looks like this, when functioning (with excerpts set »

Category: WordPress

CSS Image Replacement, what’s up Matt?

25 June 2009 by Joost de Valk » - 52 Comments

So I’m a big fan of CSS image replacement, for several reasons, most importantly because it allows for a semantically correct page while having some text replaced with images, but also because I love sprites and I love using them well. I’ve also always been in favor of the use of CSS Image Replacement for »

Category: General SEO

Excluding a blog category from your feed

25 June 2009 by Joost de Valk » - 4 Comments

While I was working on a new system for my WordPress newsletter, a system that uses its own custom feed (skipping FeedBurner which caused errors last week), I had to figure out how to exclude a category from my blogs regular feed as well as my homepage and some other pages. There’s a couple of »

Category: WordPress

SEO Blogging Tools

25 June 2009 by Joost de Valk » - 6 Comments

WordTracker released a very cool FireFox plugin called SEO Blogger, which allows you to search for keywords while you write, so you can optimize your posts to the fullest and get some nice search engine traffic flowing in. It’s pretty simple to use and I really suggest you go check it out!

Category: WordPress

Newsletter specific articles

25 June 2009 by Joost de Valk » - 3 Comments

They’re back! And with “they”, I mean the articles specifically written for the WordPress newsletter. Some of you noticed that I started sending out my feed to all of you, because I found out that a lot of you (and there’s almost 6,000 of you now) weren’t reading my blog. Most of you wanted the »

Category: WordPress

Updates to the WordPress TextMate bundle

20 June 2009 by Joost de Valk » - 10 Comments

With all the new API enhancements in the last few versions of WordPress, I thought it was time to give my WordPress Textmate bundle an update, as I first released it exactly a year ago. Here are the things I’ve added: Added ‘esc’ tab-expansion: with the help of Mark Jaquith’s great article Escaping API updates »

Category: WordPress