Your iPhone can browse Safari at a smooth 120Hz, and this is the setting you need to change

A hidden Safari setting lets compatible iPhones use the full 120Hz refresh rate.

How to enable 120Hz browsing in Safari on your iPhone: A step-by-step guide

Safari on iPhone still limits many webpages to 60fps by default, causing choppy scrolling even on 120Hz ProMotion displays.

10 Hacks Every Safari User Should Know

Unlock Safari's full potential on macOS and iOS. From 'Thanos-snapping' ads to isolating work profiles, here are 10 hacks to ...
Macworld on MSN

Enable ProMotion scrolling and more with these hidden Safari settings

Macworld You’ve got an iPhone with ProMotion, capable of updating the screen at 120 frames per second…so why doesn’t it feel ...
Techno-Science.net

How to Annotate Webpages in Safari with Markup

The markup tool in Safari lets you highlight text, add notes, insert your signature, and more. To access it on Mac, take a screenshot of the webpage or convert it into a PDF and use the Markup tool ...