Grader.com is really interesting website because you can check your Twitter, Facebook or blog popularity at here. They provide you by interesting information related your popularity. The steps are really simple for checking those all popularity. Let see what I tried at Grader.com
You can directly log in to facebook at Grader so you don’t need to go to facebook first. After that, you can check your facebook popularity and grader will give you some information such as how many friends, how many groups you join, how many wall post, etc. Grade will calculate the overall score of your popularity. Mine is 70. Not bad
Facebook Grader
The step is really simple, you just need to fill your twitter username there. Grade will give you related with your twitter popularity such as how many followers, how many following, etc. The overall score of my twitter is 55. Hehe, I joined twitter about month ago. :p
Twitter Grader
Yup, you can also check your blog popularity. Some informations will be informed such as rank, traffic rank, inbound links, alexa ranking, google pagerank, etc. What is my grade? It is 30. Not happy with it but I’m always trying to be happy. 
Blog Grader
Blog Grader - 2
[...] deerawan wrote an interesting post today on<b>Check</b> Your Popularity with Grader | DeerawanHere’s a quick excerpt [...]