Support for picture/source tag

Please add support for picture tags.

I think you only need to handle ‘source’ tag along with ‘img’ tag while taking care that the ‘data-src’ -> ‘src’ and ‘data-srcset’ -> ‘srcset’ attributes are swapped on the ‘source’ tag first and then ‘image’

https://www.ads-software.com/plugins/ewww-image-optimizer/

WebP using picture tag + lazy loading would be an awesome combination.

For reference of the picture tags in question please see https://dearinternet.co/

The page I need help with: [log in to see the link]