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