iOS Browser Performance WebKit Rules: What Apple's Engine Requirement Actually Means

iOS Browser Performance WebKit Rules: What Apple's Engine Requirement Actually Means A note on sourcing: benchmark data in this article comes primarily from Apple's own WebKit engineering blog. DMA compliance analysis draws on Open Web Advocacy, an advocacy group with an explicit position on this issue. The DMA text itself is primary law. Where claims come from parties with financial or policy stakes, that is noted. The debate over iOS browser performance WebKit rules often turns on a specific number: 30%. A widely circulated claim holds that Apple's mandatory WebKit requirement costs iPhone users nearly that much in rendering speed. The figure is specific enough to be newsworthy. It is also too specific to accept without scrutiny, because no independent benchmark comparing Google's Blink or Mozilla's Gecko against WebKit on the same iPhone hardware appears in the sources reviewed for this article. The broader competition issue is better documented than the 30% figure itself. Every