Jacob 'Kurt' Groß

I'm a passionate developer who loves #performance, UX, a11y & security.
Get to know me and my principles @ about.

My work experience includes all languages I write, plus other parts of the ecosystem such as React, Node.js, SQL, deep architectural knowledge into micro-frontends (MFEs) and CSS / WebVitals / JavaScript runtime performance optimization.

In the past, I've also created multiple browser extensions for Google Chrome.

Featured

• Breaking Up with SVG-in-JS in 2023

  Posted on:Jun 30, 2023

  Technical deep-dive on why you shouldn't have SVGs in your JS bundle and better techniques for JSX usage.

• The modern way of serving images

  Posted on:Jan 25, 2023

  Technical in-depth guide for the <picture> & <img> srcset and sizes attributes to create responsive & performant images.

• Cache-Control HTTP Header Playground UI

• Rainbow Six Siege - Sensitivity Converter (kurtextrem.de/sens)🕹️

Recent Posts

• Breaking Up with SVG-in-JS in 2023

  Posted on:Jun 30, 2023

  Technical deep-dive on why you shouldn't have SVGs in your JS bundle and better techniques for JSX usage.

• The modern way of serving images

  Posted on:Jan 25, 2023

  Technical in-depth guide for the <picture> & <img> srcset and sizes attributes to create responsive & performant images.