Deliver sliders or other large images as webp

Why?

According to Google PageSpeed, we can speed up our site by a lot by converting slider images to webp.

Current implementation

Large pictures are all served as png, this is a good image format for things that need to be compressed lossless.

Suggested implementation

Supply images as <picture> with multiple sources

To upload designs, you'll need to enable LFS and have an admin enable hashed storage. More information