vimium

Vimium is a extension for Chromium-based browser that emulates the Vim keybindings.

1. Keybindings

j, k, h, l scroll through a webpage, u, d up and down half a page
r reload, f (F) open a link (in a new tab)
J, K move through tabs
- o open a url/bookmark/history, O in a new tab
- b open bookmark, B in a new tab
- x close tab, X restore closed tab
H, L move through history
yy copy the current url, yf yank the url of a link
gu go up a url hierarchy,, gi go to the first text input box
i send keys to the page

It is available on the option page.