Enable Smoother 120Hz Browsing in Safari

Any iPhone, iPad, oregon Mac with a ProMotion show is susceptible of rendering buttery creaseless 120Hz animations. However, Apple's Safari browser is locked to 60fps leafage rendering by default, making scrolling consciousness noticeably choppier for immoderate users than successful Chrome oregon Firefox. Thankfully, caller versions of Safari see a hidden mounting that lets you unlock 120Hz rendering.


At 60Hz, your surface refreshes each 16.7 milliseconds, meaning each framework of a scrolling leafage stays connected surface for that duration. At 120Hz, the refresh interval drops to 8.3 milliseconds, truthful the representation updates doubly arsenic often. This reduces the perceived blur and judder arsenic contented moves crossed the screen, making question look much fluid and responsive. For a amended thought of the difference, sojourn Blur Buster's Motion Tests webpage and ticker the refresh complaint trial successful Safari.

The quality is astir noticeable erstwhile scrolling text-heavy pages oregon panning crossed elaborate content. That said, the betterment is much melodramatic for immoderate radical than others. If you've ne'er noticed Safari feeling "off" compared to different apps, you whitethorn not registry overmuch difference. But if you've utilized Chrome oregon Firefox connected the aforesaid instrumentality and wondered wherefore Safari felt somewhat sluggish, this is the reason.

The 120Hz enactment is buried successful Safari's Feature Flags, a developer-focused paper that doesn't necessitate immoderate peculiar mode to entree connected iPhone oregon iPad. On Mac, you'll request to alteration developer features first, but it's a straightforward process. Keep successful caput that turning connected 120Hz whitethorn interaction your device's artillery beingness if you thin to browse a lot.

Here's however to alteration 120Hz scrolling connected each your Apple devices.

Enable 120Hz Safari Browsing iPhone and iPad

1. Open the Settings app.


2. Scroll down and pat Apps.


3. Tap Safari.


4. Scroll to the bottommost and pat Advanced.
   
   
5. Tap Feature Flags astatine the bottommost of the list.


6. Scroll to Prefer Page Rendering Updates adjacent 60fps and toggle it off.


7. Force discontinue Safari and reopen it.
   
   

With this mounting disabled, Safari volition present render pages astatine up to 120Hz connected ProMotion-equipped devices, including iPhone 13 Pro and later, and iPad Pro models with ProMotion.

Enable 120Hz Safari Browsing connected Mac

Enabling 120Hz connected Mac requires a fewer other steps to uncover the Feature Flags menu.

1. Open Safari, past click Safari successful the paper barroom and take Settings....
   
   
2. Click the Advanced tab.


3. At the bottommost of the pane, cheque the container adjacent to Show features for web developers.
   
   
4. A caller Feature Flags tab volition look successful the toolbar – click it.


5. In the hunt tract astatine the apical right, benignant 60fps.


6. Uncheck Prefer Page Rendering Updates adjacent 60fps.


7. Quit Safari wholly and reopen it.
   
   

This works connected immoderate Mac with a ProMotion display, which includes the 14-inch and 16-inch MacBook Pro models introduced successful 2021 and later. If you person outer displays connected to your Mac that are susceptible of refreshing astatine 120Hz, they should besides payment from the change.

Kudos goes to MacStories for unearthing the 120Hz scrolling extremity precocious shared by developer Matt Birchler.
This article, "Enable Smoother 120Hz Browsing successful Safari" archetypal appeared connected MacRumors.com

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