I enjoy writing about web performance, front end engineering and many geeky things but also on the love of sounds, music and life.
The sound of heavy boots outside was what woke me. At 0:30 A.M. I lay frozen by shock as they carried our neighbor out on a stretcher and put them into the RTW. The driver revved the truck's Diesel engine, the sliding ... read more →
Twitter is a place of fear to me. After 10 years on the platform, I’ve decided it is time to leave. When I joined in 2009, I was hopeful about the feeling of community and belonging that it offered. I loved it for st... read more →
This is a cross-post of my article for the trivago tech blog, originally published on 20190808 at https://tech.trivago.com/2019/08/08/the-web-performance-impact-of-lossy-network-conditions/. tl;dr: continuously monitor your CDN and origin servers on layer 3 with tools like MTR. Layer 3 issues on external middleware can ... read more →
Or: How I learned to love the bottom line. Web Performance Budgets help us prioritize features and facilitate discussions on truly important features for our users. Often, they don't get the chance to mature and leave their infancy as thresholds with alerts. ... read more →
I recently tested various ways of how to check a server's persistent connection settings reliably. Here is the best way how to measure "PCONNs" on HTTPS and also a little background information on why this matters for web performance optimization. ... read more →