UpTimeBot is a great site that lets you check your link popularity. It provides you with information from Google, Yahoo, MSN, Alltheweb, Alexa.

For example, from Google you can find:

Google Backward Links - Google doesn't show backward links from pages having PageRank value less than 3.

Google Mirror Site - Does Google consider yor site is a mirror of another site?

Google Indexed Pages - Quantity of pages from your site indexed by Google.

Google Contain URL - How many times your URL was mentioned?


You can check the link popularity for your blog or for a site you like: