WebP is an image format. It provides compression for images in the web and produces lossless images which are 26% smaller than PNGs.

It also offers transparency just like a PNG. So in an age where pagespeed is of grave importance WebP images could make a massive difference in your conversion rate.

WebP is supported by Google Chrome and Opera there is also a Photoshop Addon for all you creative cloud users so you can get to creating your new images straight away.

The maximum dimensions of a WebP image is 16383x16383 pixels.

2017 is all about page speed. So making the switch to WebP might be the ace up your sleeve your competitors aren't using.