Alexa (an Amazon company) Toolbar (over 10 million downloads) is a free search and navigation companion that accompanies you as you surf, providing useful information about the sites you visit (site ranking) without interrupting your Web browsing.
Alexa Popup Manager allows you to get rid of annoying popup ads.
Alexa Toolbar version 1.0 was first released on September 1997.
Alexa Toolbar Resources(all links will open in a new window):
Read the Alexa Toolbar Wikipedia Article