You’d have to take that up with them - they might be interested in alternatives that improve efficiency. I wonder if they like that it’s very visibly a deliberate choice to modify the images for size, or if they feel they’d be answering constant ‘why do your images look bad?’ questions with a reduced color pallet.

For anyone else who wants more info, I think these are cool discussions:

solar.lowtechmagazine.com/…/the-solar-website/#wh… lobste.rs/s/9v0ioj/how_build_low_tech_website