To try the thousands of add-ons available here, download Mozilla Firefox, a fast, free way to surf the Web!Close
Welcome to Firefox Add-ons.
Choose from thousands of extra features and styles to make Firefox your own.Close
Provides quick access to some web-based tools to help with search engine optimization. Quickly check inbound links, PageRank, http headers, and much more. Right-click on an open area of a web page, or use the included toolbar.
About this Add-on
PR Check is working again, at least until Google breaks it again.
This add-on is not compatible with your version of Firefox because of the following: