I was analysing load time performance of the big tech mobile homepages and was quite surprised to see the results of apple.com. As you can see from the screenshot above, apple.com homepage could be saving 2.25 seconds of load time if images were served in the next generation file formats.
https://mobilerank.co/post/apple-homepage-webp-irony
https://mobilerank.co/post/apple-homepage-webp-irony