Device pixel ratio

Delivers the optimal size based on device pixel-ratio

Allows you to deliver the proper image dimensions according to a defined device pixel ratio. This operation can help with conversion between device-independent pixels and CSS (reference) pixels. Useful in responsive image solutions using the srcset HTML attribute. Allows positive values limited to 5.

dpr=X

Examples

Preview	Syntax
	No dpr parameter (assumed dpr=1): /samples.scaleflex.com/birds.jpg?w=400
	Device pixel ratio 1.75: /samples.scaleflex.com/birds.jpg?w=400&dpr=1.75