This is practical accessibility guidance for first-pass triage. It is not legal advice, a formal audit, WCAG certification, or a conformance guarantee.

What this means

Viewport settings may prevent users from zooming comfortably.

Why it matters

People with low vision often zoom pages. Blocking zoom can make content hard or impossible to read.

How to fix it

  • Remove user-scalable=no.
  • Avoid maximum-scale=1.
  • Test layouts at 200% and on small screens.

What automated checks can detect

A checker can detect common viewport settings that restrict zoom.

What still needs manual review

Check that content still reflows and remains usable after zoom is allowed.

Automation cannot prove the page remains usable at enlarged text and zoom levels.

Related tools and guides