Well you can *technically* use .webp from Webflow Asset Manager

But is it worthed? Should you? Regardless, rename your .webp to .webp.txt and upload in the asset manager, use a <Picture> tag et voilà. Check the network tab and see what's being loaded. ******* Images are purposefully GIGANTIC. Also not really leveraging anything that's great for .webp here, but that's the gist of it. Free worst practices ever included. Please use alt tags like a champ would do. Images from unsplash.