Want to know which parts of your web page are hardware accelerated on Safari or Mobile Safari? It’s easy to find out. Just start Safari with… $ CA_COLOR_OPAQUE=1 /Applications/Safari.app/Contents/MacOS/Safari ..and all hardware-accelerated layers will show up in red. Try apple.com or Every Time Zone or Freelancember. Same goes for Mobile Safari, in the iOS Simulator: … Continue reading Visualizing WebKit’s hardware acceleration