Website Mobile Adaptability Check

Find out how convenient your website is for mobile users. Get a mobile version screenshot and layout shift data (CLS).

Mobile adaptability test. Check display correctness and important metrics for mobile devices.

Questions and Answers

All about website mobile adaptability

What is mobile adaptability? ▼

It is the ability of a website to display correctly and be convenient for use on mobile devices (smartphones and tablets).

Why is the viewport meta tag needed? ▼

The viewport meta tag tells the browser how to control the page dimensions and scaling. Without it, mobile browsers will display the page as if on a desktop, which is inconvenient for the user.

What is CLS? ▼

Cumulative Layout Shift (CLS) is a metric measuring visual stability. It shows how much page elements shift during loading. Low CLS is important for a good user experience.

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