Skip to main content
Wholly synthetic golden fixture. It contains no customer or anonymised production data.Run your own free website SpotCheck®

All itemsItem 6 of 19

Performance and Core Web Vitals

Page measurably overflows a phone viewport

Why it matters

https://northstar-components.example/ was rendered at a 390px phone viewport and its document measured 48px wider than the viewport, forcing horizontal scrolling on mobile.

What to do

Find the element causing the overflow and wrap or resize it to fit the viewport.

Web/CMS · About 2 hours · You can do this

How to fix it

  1. Use browser dev tools at a 390px viewport to find the overflowing element.
  2. Wrap wide tables in a container with `overflow-x: auto`.
  3. Replace fixed pixel widths with relative units or max-width.
How we checked this