wat is dis indi rank mean???

It gives you the  over all ranking and performance to your blog:)

http://www.wiseshe.com

The rank is basically a system devised by the community to let you know the overall performance of your blog,it depends on lots of factors like your pagerank,traffic to your blog,your frequency of posting among other factors,the higher the better.73 is a gud enough rank,keep blogging and its bound to improve