PageRank is a Chrome, Opera, and Safari extension that displays Google PageRank for current page. PageRank extension is fast, accurate, and lightweight.
Fast: PageRank extension fetches information directly from Google servers. That's why it works at maximum possible speed.
Accurate: unlike other similar applications PageRank extension provides accurate results. Rank reported by PageRank is the same as rank reported by official Google Toolbar.
Lightweight: PageRank does only one thing and does it very well. PageRank extension is lightweight and not overwhelmed by various unneeded features.