Joost de Valk

Improving the web, one open-source project, open standard or better SEO’d website at a time.

A headshot of Joost de Valk

CMS Market Share

Read my bi-annual CMS market share analysis, to see which CMSs are growing and which CMSs aren’t doing all that all well.

About Joost

Want to read more about me and the projects I work on? Grab a cup of coffee, find a comfortably sit and click the link below.

WP Plugins

WordPress logo

I maintain several useful WordPress plugins to make your site better and easier to manage.


My wife Marieke and I have made several investments into companies inside & outside the WordPress space. You can read all about that on the website of our investment company Emilia Capital.

Speaking Engagements

I love the opportunity to speak at conferences all over the world.

Your Event Here!

Looking for a speaker? I’d love to hear about your event!

SEPTEMBER 13-14, 2023
BERLIN, Germany

SMX Advanced Europe

I’ll be speaking at SMX Advanced in Berlin this fall.

SEPTEMBER 17-22, 2023
munich, Germany

SEOktoberfest G50 Summit

I’ll once again be speaking at the world’s best (invite-only) SEO conference.

October 5, 2023
AMsterdam, The Netherlands

Emerce eDay

Inspiration event for the next year in digital.

Recent Blog Posts


Want to see me speak? Have a look at some of the videos below:

Improve the environment. Start with your website!

Your website runs on a server. That server uses electricity. Making your website more efficient and avoiding unnecessary visits to your website by bots, leads to less power consumption (and maybe even …

WordPress SEO in 2019

In this talk, which I gave at WordCamp Athens in 2019, I discussed the state of WordPress SEO:

Why timestamping will be good for SEO

In this video I discuss with Bas, the founder of WordProof, why timestamping is awesome: