Googalexa

Minimalistic Firefox add-on for Google and Alexa site statistics

New version

https://github.com/fuyu/alexa-rank-webextension

Old version description

Install

Install Googalexa from Mozilla Add-ons page.

Configure

You can configure the representation and rounding of values:

Format numbers (1234567 => 1,234,567)
Round thousands (123456 => 123K)
Round millions (1234567 => 1.2M)

..as well as label styles by using regular CSS:

color:#222222;
font:12px Arial;

Example