jesus christit's literally just text. there aren't even any images. no cookies. nothing. when you open the page. it loads one file, just one, HTML file. with no scripts on it. maybe people rated it badly because they didn't like what it was telling them and got mad
can you have a gif as your youtube avatar? if no, then your answer is no
How do you make them?
but Opera hasn't supported it for over 10 versions
Look at the list of links on OP.
Opera has supported APNG since 9.5.
Opera 15+ is garbage. Any version of Opera from 9.5 to 12.16 supported APNG.
No, you suck at reading. It says on the op that it only works on development versions.
maxthon cloud browser doesn't even have extensions for it :(