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How can I fix the issue with the scroll not being smooth on my mobile device (iPhone + Safari) in Webflow?

TL;DR
  • Remove unnecessary overflow: hidden, especially on mobile breakpoints, to prevent scroll restriction.
  • Simplify or disable heavy scroll interactions and animations that may lag on mobile.
  • Avoid fixed background images on mobile; use background-attachment: scroll instead.
  • Ensure scroll containers use -webkit-overflow-scrolling: touch via custom code.
  • Test on a real iPhone to catch issues not seen in Preview or desktop Safari.

If scroll behavior isn’t smooth on mobile Safari (iPhone) for your Webflow site, it’s often related to layout, animation, or overflow settings. Here’s how to diagnose and fix it.

1. Check for Fixed or Overflowing Elements

  • Open Webflow Designer and inspect individual sections or elements.
  • Look for elements set as position: fixed or with custom overflow settings (especially overflow: hidden or scroll) on mobile breakpoints.
  • These can disrupt native scrolling, especially if nested inside a section that should scroll.

2. Remove Unnecessary overflow: hidden

  • Go through your sections, divs, and containers and remove any overflow: hidden that’s not essential.
  • On iPhones, this property can restrict Safari’s scroll momentum.

3. Reduce Page-Level Interactions or Triggers

  • Too many scroll-based animations/interactions running at once can lag Safari on mobile.
  • Go to Interactions panel and check for any “While page is scrolling” or “Scroll into view” triggers.
  • Disable or simplify interactions on mobile breakpoints if performance is affected.

4. Avoid Oversized Fixed Backgrounds

  • Elements with a large fixed background image can cause Safari mobile to lag.
  • On mobile breakpoints, switch background-attachment to scroll instead of fixed. Safari struggles with parallax-style fixed backgrounds.

5. Check the -webkit-overflow-scrolling Property

  • Webflow doesn’t allow direct editing of this property unless added via custom code.
  • If you’ve added custom scroll containers with overflow: scroll, make sure your CSS includes -webkit-overflow-scrolling: touch; to allow inertial scrolling.

6. Test in Safe Mode / Preview Mode

  • Use Webflow Preview and also publish your site and test it on a physical iPhone (not just desktop Safari responsiveness).
  • Scroll behavior issues often don’t appear until tested on a real device.

7. Limit Third-Party Script Usage

  • Heavy scripts (like GSAP, ScrollMagic, or third-party tracking tools) can introduce scroll lag on slower devices.
  • Temporarily disable external scripts to test scroll performance.

Summary

To fix smooth scroll issues on iPhone Safari in Webflow, remove unnecessary overflow: hidden, simplify scroll interactions, avoid fixed backgrounds, and ensure no layout issues are blocking natural scrolling. Always test on a real device for accurate results.

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