I don’t know what a .webp file is but I don’t like it. They’re like a filthy prank version of the image/gif you’re looking for. They make you jump through all these hoops to find the original versions of the files that you can actually do anything with.
Edit: honestly I assumed it had something to do with Google protecting themselves from image piracy shit
Here’s a tip: a lot of websites actually store and serve multiple copies of an image in different formats because not all browsers support newer formats. If you change the name of the file you’re viewing in the browser from .webp to .jpg, chances are you’ll see a jpeg version of the same image provided by the same server.
I’m sure some CMSes do that, but as a web dev I can assure you I absolutely do not