is a number that, in requests, indicates the client’s current Device Pixel Ratio (DPR), which is the ratio of physical pixels over CSS px of the layout viewport on the device.
Quick facts
Description
is a number that, in requests, indicates the client’s current Device Pixel Ratio (DPR), which is the ratio of physical pixels over CSS px of the layout viewport on the device.
Syntax
Frequently asked questions
is a number that, in requests, indicates the client’s current Device Pixel Ratio (DPR), which is the ratio of physical pixels over CSS px of the layout viewport on the device.
It is classified as a request header and can appear in requests or responses depending on context.
Sources & standards