Github proxies the images in comments: https://github.com/blog/743-sidejack-prevention-phase-3-ssl-proxied-assets https://github.com/blog/743-sidejack-preventio

Github proxies the images in comments: https://github.com/blog/743-sidejack-prevention-phase-3-ssl-proxied-assets https://github.com/blog/743-sidejack-prevention-phase-3-ssl-... Here's the code behind it: https://github.com/atmos/camo https://github.com/atmos/camo