HTML5’s responsive image implemention is missing a way to handle aspect ratios Oct 21, 2017 HTML5’s responsive image implementation provides a fantastic tool to address the performance issue of image-heavy websites. But there is a crucial feature that is still missing. Demystifying Apple's Touch ID Aug 27, 2017 The iPhone X will replace Touch ID with Face ID; But what are the mechanisms that for years have been storing our fingerprints so safely? I took a close look. Website Performance: Understanding the Basics Sep 1, 2016 Crucial for website performance is the critical rendering path, this article shines a light on browser rendering and provides tools and strategies to optimize for it. REM&EM: why and how Aug 20, 2016 REM has been considered a web best practice for reasons of accessibility and abstraction. But recent conversation arose whether the abstraction REM or EM is still worth maintaining. Lessons from 6 months travelling alone Jul 15, 2016 I travelled through New Zealand for 6 months. You should go too. Advertising on Spiegel Online got out of hand Yes, I would like to support you by deactivating my adblocker—but I can't. I really, really just can't. On shoulders of Giants doesn’t quite hit it The concepts of almost any trend we chase dates back decades.