I see you are concered about your data.
Well I use Google Analytics and Github to host this website.
What does Google Analytics record?
What website you came from to get here.
How long you stay for.
What kind of computer you are using.
Also some other stuff.
What do I do with your data?
I see who looks at my website and have some fun with the data, I am a programmer after all.
All of my activity falls within the bounds of the Google Analytics Terms of Service.
You said something about Github on this site?
Yeah, this site is hosted on Github thanks to Github Pages, that means technically this site falls under their privacy terms too. Check that out while you are at it