Hidde’s upcoming schedule

User Needs First Conference 2025

Digital transformation has an elephant in the room: the energy use of digital services can be enormous. In 2024, the World Bank estimated the internet to account for 1-4% of global greenhouse emissions, similar to aviation. The good news is: there are opportunities to improve. From user centered design to web development and infrastructure: they all impact how government digital services use energy. In this talk, we’ll look at best practices from the W3C’s new Web Sustainability Guidelines.

10 April 2025

JSHeroes

29 May 2025

Pixel Pioneers

full transcript of a previous iteration of this talk (the captions in this deck are empty)

The first rule of ARIA suggests it is better avoided if there is an HTML equivalent. Yet sometimes, the right use of ARIA can improve your UI better for end users. In this talk, we’ll look at practical examples of effective ARIA usage and how they work in assistive technologies. Find out more about the patterns that have broad support and which ones to avoid. Let’s look at ARIA, the good parts!

20 June 2025