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.
That means absolutely nothing. We went to the moon with hardware that had ram in kilobytes. Today you need a supercomputer from the 70s to run the add of a Web page.
Progress is not linear. C is still used everywhere while some other languages didn’t live a tenth of its age. New is not always better.