I just looked at the source of the page:

A) external CSS which might leak about a visitor to Google

B) <!--~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

       No Google Analytics or other 3rd party hosted script tags on Keybase.

       And this has the added bonus that we'll never be able to serve ad code.

                         \o/   \o/
                        chris  max

  ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~-->

No 3rd party JS: good.

Still leaking visitor info: bad.