Display signals your browser reveals

Screen resolution, viewport size, color depth, pixel ratio, WebGL renderer and GPU together sketch the exact display and graphics hardware you are reading this on. The WebGL renderer in particular is one of the more identifying signals on the page.

Display

The size, density and graphics of the screen you are reading on.
Screen resolutionlive
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Viewport sizelive
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Color depthlive
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Device pixel ratiolive
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WebGL rendererlive
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GPUlive
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Frequently asked questions

What display signals does ReadMyBrowser check?

ReadMyBrowser checks 6 display signals: Screen resolution, Viewport size, Color depth, Device pixel ratio, WebGL renderer, GPU. Each has its own explainer page with more detail.

Do any of these need my permission?

None of them do. Every display signal here is read automatically as soon as the page loads, with no prompt.