Hey, I'm Stefan. I develop digital services and products.
Frontend nerd, organizer of the Web Performance Group Berlin, occasional teacher, curator of Perf Tooling Today, organizer of CSSclasses Berlin and Developer Evangelist at Contentful.
I also read a lot of newsletters and listen to a few podcasts, document my web dev learnings constantly and write a monthly newsletter.
Blog
Monthly digest – March 2018
Accessing the DOM is not equal accessing the DOM – live vs. static element collections
Monthly digest – February 2018
Developer Smalltalk
Using Cypress for end-to-end testing with Gleb Bahmutov
Using ES modules in Node.js today using @std/esm with John-David Dalton
Setting up Sitespeed in AWS with Peter Hedenskog