Apple's WebKit Rules Reportedly Cost iOS Users Almost 30% Browser Performance

Microsoft engineers have published benchmark results showing that a Chromium-based browser using its own rendering engine scores 28.6% higher than Safari on Apple's own Speedometer 3.1 performance test on iOS. Kyle Pflug, group product manager for the Microsoft Edge Web Platform, published results on Monday comparing a research prototype of Edge built with Apple's BrowserEngineKit framework against Safari running iOS 26.5.1. The Blink-based prototype scored 49.27 versus Safari's 38.3 on Speedome