I once wrote a social media website and one optimization we had is we would take gifs, mark them for processing, have a celery task queue run this command, and

I once wrote a social media website and one optimization we had is we would take gifs, mark them for processing, have a celery task queue run this command, and replace the gif with a mp4. Worked wonders. A few years later gifycat exploded and we were all kicking ourselves xD