Well there's a polyfill if you need it: https://github.com/chase-moskal/webp-hero https://github.com/chase-moskal/webp-hero As others have said: if the bulk of

Well there's a polyfill if you need it: https://github.com/chase-moskal/webp-hero https://github.com/chase-moskal/webp-hero As others have said: if the bulk of your traffic is people using the latest hardware, then polyfills are probably overkill. If you need to cater for more niche target audience using legacy hardware, then by all means, use polyfills.