- Viewport tag
- width=device-width
- Responsive media rules
- Large fixed widths
- Mobile-friendly form markup
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Mobile
40 toolsMobile Readiness Checker
Review viewport, responsive hints and mobile-friendly markup.
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ABOUT THIS CHECK
Mobile Readiness Checker
Reviews viewport configuration and responsive CSS hints in the returned page.
WHY IT MATTERS
A technically mobile-ready page should adapt cleanly to smaller screens without forced zoom or fixed-width layouts.
A correct viewport with responsive layout signals and no obvious fixed-width problems.