Free Tool

Mobile-Friendly Test

Check if your website is optimised for mobile devices. Test viewport configuration, text readability, tap targets, and device compatibility.

Enter a public URL to test mobile usability and responsive design

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Shipcheck

Monitor mobile usability on every deploy

Shipcheck runs mobile checks, Core Web Vitals, and 40+ SEO signals on every deploy — and alerts your team before a regression ships to users.

No credit card required

FAQ

What does 'mobile-friendly' mean for SEO?

What is the viewport meta tag?

How large should tap targets be?

What font size is readable on mobile?

My site passes the test but still feels slow on mobile. Why?