Rated 5 out of 5 stars

A must-have for SEO, I usually switch off the SEO metrics checker, like Pagerank and Alexa rank, when I need these data, click on the addon icon and they appear.
Strongly recommend not turn on real-time metrics checking, that will make Google blacklists your IP

This review is for a previous version of the add-on (1.41.1-signed.1-signed).