This page shows information about a web page, and who has bookmarked it and when

https://www.google.com/webmasters/tools/docs/en/about.html

These are the public entries for this link:

• Google Webmaster Tools
  Our suite of webmaster tools provides you with a free and easy way to make your site more Google-friendly. They can show you Google’s view of your site, help you diagnose problems, and let you share info with us to help improve your site’s visibility.
  By mfog in Public bookmarks with browsers free seo statistics toolbox webdesign
• Google Webmaster Tools
  Webmaster Tools
  By zphaze in Public bookmarks with tools web webmaster

NB: The average rating is calculated using the rating for both public and private entries for this link.