-
While in a repository, press and hold "t" - this will bring up a file finder
-
Press and hold "s" to take you to the search bar at the top of the page
-
"g + c" takes you to the main page for your current repo
-
"g + p" takes you to your pull requests
-
"l" allows you to pick a line to jump to in your code (by line number)
-
"w" - switch to a new branch or tag
-
"g + i" take you to your issues
-
And if you forget, "?" brings up a box with all the available shortcuts!
source: https://help.github.com/articles/using-keyboard-shortcuts/