Viewport Meta Tag Checker

Check a page's viewport meta tag to ensure it is correctly configured for responsive layouts, mobile devices, and accessibility.

Want to check the whole page? Try the On-Page SEO Checker.

Features

Verifies Tag Presence

Checks if a viewport tag exists and flags duplicates to ensure proper mobile rendering.

Validates Content Attributes

Ensures the tag isn't empty and includes the essential tags width=device-width and initial-scale=1.

Checks Accessibility & Zooming

Flags the restrictive settings user-scalable=no or maximum-scale=1 that prevent users from zooming in.