[dheera]

Github also loads something like 4.6MB of JavaScripts and other crap, according to chrome dev tools, so ...

[bonki]

I won't defend that, but at least that will mostly be cached and reused. There is really no excuse for huge pictures like that, especially when they can be losslessly compressed to a fraction of their size.

[Moru]

It's also compressed while sending so that is most likely the unpacked size you see there.