Alexa Rank Google | Pagerank Domain Age

Webmasters lived and died by their green PageRank toolbar meter. A PR of 4 meant you had some authority; a PR of 7+ meant you were a giant. People bought and sold websites almost exclusively based on this number.

Here was the catch: Alexa only tracked users who had the installed. Since the toolbar user base was mostly tech-savvy people or webmasters, the data was heavily skewed. A niche developer blog might look huge, while a local restaurant with high real-world traffic would look invisible. alexa rank google pagerank domain age