(old account, moved) :blobcat: on Nostr: while the image is loading (or if it doesnt load at all) its sometimes nice for the ...

while the image is loading (or if it doesnt load at all) its sometimes nice for the browser to at least have an idea of how large the image should be. there isnt really much of a reason to use them now except for when someone blocks css on your site, but it used to be very useful for browsers to decide whether its worth it to download images over slower connections. sadly i dont know if any of them still do that