It is an animated gif. You used to be able to just press escape to pause them, but Firefox and Chrome have both removed that behavior. Instead you can install a

It is an animated gif. You used to be able to just press escape to pause them, but Firefox and Chrome have both removed that behavior. Instead you can install a plugin, or in Firefox you can set `image.animation_mode` to: `once` - play once on load then stop. `none` - do not play on load `normal` - loop forever if the gif says to With the popularity of animated "emoji" on some forums these days, I couldn't function without some way to globally disable animated gifs.