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I just recently discovered that you can enable 120 fps animation on macOS Safari by following these steps:

  1. In Safari, go to Preferences > Advanced and check Show Develop in menu bar
  2. Develop > Experimental Features and uncheck Prefer Page Rendering Updates near 60fps
  3. Quit Safari

Now when using Safari you can experience any webpage that supports up to 120fps.

However, I was wondering if there was any way to do this on iPad/iPhone? I use some animation-based webpages on a daily basis that support 120 fps.

2 Answers 2

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The same option as in your question is available on iOS: Settings → Safari → Advanced → Experimental Features → Prefer Page Rendering Updates near 60fps. This option is enabled by default.

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  • Amazing! I would have never thought to look there haha
    – cadlac
    Feb 5, 2023 at 15:29
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There is no specific Safari setting for your question. However, in the Settings app, you can turn the ProMotion (120hz) feature on, on your iPhone/iPad. (Settings > Accessibility > Motion > Limit Frame Rate)

Make sure you are using the supported devices for ProMotion:

  • iPhone 13 Pro and Pro Max
  • iPhone 14 Pro and Pro Max
  • iPad Pro (2017 or later)
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  • AFAIK this only allows to limit the frame rate to 60, not to enforce 120 in Safari.
    – nohillside
    Feb 5, 2023 at 16:05

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