> The DA page description claims 3840x2160 @ 2.79 MB
> Your trick returns 3265x1837 @ 10.21 MB
> So you get a slight downscale and a lot of hot air.
> There is probably no way to solve this on your side, butt one should keep in mind that this is still subobtimal.[/bq]
Yes, known. No way to bypass this.
[bq]
> The other problem — the updated post claims 3265x1837 @` 10.21 MB on the derpi side, but actually returns 1024x576 @` 0.7 MB. So the metadata was updated, but not the picture.[/bq]
Cloudflare heavily cache static files, so you have to create slightly different link if you want to see fresh actual version. Or just wait for a week or such to let caches expire.