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