Hotkeys

$ (shift+4): Enable/disable hotkeys. When you see the extra control bar at the bottom, hotkeys are disabled. When the bar is gone, hotkeys are enabled.

Left / a: Previous page
Right / d: Next page
Down / s / r: Random page matching current tags (pure random if no tags). Goes to a random page of the articles list while on the tags page; goes to an article when on an article page.
Shift + Left/a: Previous listing page
Shift + Right/d: Next listing page
Ctrl + Shift + Left/a: First page
Ctrl + Shift + Right/d: Last page
Up / w: Return to Tags page. Clears tags if already on tags page.
Shift + Up/w: Go to Date page.

Shift + r: Random article
r: Random article matching current tags

Ctrl + Shift + Space: Toggle auto-scroll

z or /: Toggle Tag Sidebar
c: Clear tags.
Shift + Down/s: Really random page