Slides Hyvä Developers Paradise 2026
Sunshine, coding, webperformance and knowing your Core Web Vitals issues without clicking? What a life!
Blog
How fast is fast enough - Meet Magento Netherlands 2025
Eight lessons learned from rumming thousands of Magento shops. Like setting you all a challenge to aim for the 90th percentile, speculation rules rule, use-cases and.. a sneak preview into RUMvision 2.0!
SyliusCon 2025 in Lyon
At Friday 17th of October, the 4th edition of SyliusCon took place. I travelled to Lyon to give a talk on Core Web Vitals debugging via DevTools.
SEO Benelux 2025
At Friday October 10th, the second edition of SEO Benelux took place. I travelled to Antwerp to talk about different sitespeed tools.
Ciao Rome! Meet Magento Italy 2025 slides
All roads lead to Rome, but it was our first time giving a talk in Italy. And it was a great succes! Want to find the slides, read about our Baseline integration, the Zitmaxx use case or how to improve webperformance for Hyvä, you find al the resources here.
Hyvä Camp Kiel: DevTools + RUM = Great performance
Moin Kiel! I was happy to get everyone up to speed debugging and optimizing Core Web Vitals with RUM + DevTools. Looking for the slides? Here you go!
Slides Mollie Developer Meetup
On July 18th I got to talk about about webperformance, while shipping and sipping at Mollie's biggest developer meetup yet! Here you find the slides.
Meet Magento UK 2025 - slides and more info
On June 10th 2025 I gave my talk "Why your pagespeed score is lying to you". In this you'll find the slidedeck, more info on how to improve the webperformance of your Magento shop and even info on a special we're running!
Improving Core Web Vitals for your Hyvä Magento shop: the ultimate SUX guide
"Your site is slow" – four words no Hyvä developer wants to hear, yet only 51% of Hyvä shops achieve good Core Web Vitals scores. After years of optimizing Magento performance, we've identified the common issues preventing stores from reaching their full potential. In this guide, we'll explain not just what to fix, but why things fail in the first place. Your journey to better Core Web Vitals – and happier customers – starts here.
Performance now() 2024
In 2024 we weren't only the sponsor but were also speaking at a sold out Performance.now() conference.
RUMvision slides at WeLoveSpeed
You'll find the slides of the "We Love INP & LoAF" talk at We Love Speed in Nantes.
Talk: Hyvä fixes all my Magento pagespeed issues, right?
Let's talk! The state of Magento's pagespeed and Core Web Vitals in 2024. The issues we resolved, the difficulties we still encounter, and the mistakes we want to avoid that could hurt UX and conversion rates.
Performance.now() 2023 slides
How proud we are to have sponsored an event like this, because what a community this is. Welcoming, friendly, open and people are happy to explain everything to you. Together we all have one goal, and that is to make the internet faster for ourselves, but more importantly; the end user. Were you unable to attend performance.now() 2023, but interested in the slides? Or do you simply want to watch the brilliant talks again? All of the slides from the talks are linked here.
About the Long Animation Frames (LoAF) API
The new LoAF API makes debugging a high INP a lot easier and more insightful, aside from being a new technique it sounds fun. Read and see more about how the LoAF API can help you and how RUMvision makes it insightful for you.