How to Enable Smoother 120Hz Scrolling in Safari

I came across this incredible tip by Matt Birchler a few weeks ago and forgot to link it on MacStories:

Today I learned something amazing: Safari supports higher than 60Hz refresh. It’s the only mainstream web browser that doesn’t, and I have never understood why, but apparently as of the end of 2025 in Safari version 26.3 (and maybe earlier) you can enable it. Here’s how to do it.

I won’t paste the steps here, so you’ll have to click through and visit Matt’s website (I keep recommending his work, and he’s doing some really interesting work with “micro apps” lately). I can’t believe this feature is disabled by default on iOS and iPadOS; I turned it on several days ago, and it made browsing with Safari significantly nicer.

Also new to me: I discovered this outstandingly weird website that lets you test your browser’s refresh and frame rates. Just trust me and click through that as well – what a great way to show people who “don’t see” refresh rates what they actually feel like in practice.