What is Alexa Rank?
Alexa.com defines themself as a "web information company".They rank every website and blog based on their traffic and some other factors.This Alexa Rank gets updated daily. Lesser the number better.
How Alexa Rank is measured?
You might freak out after reading "How Alexa Ranking is measured?"
Alexa.com is measuring your website’s traffic is one of the most unfair surveys around. Why?
They only record those hits which passes through their systems.That means your visitors either have to Install Alexa Toolbar on their browser or you should put an Alexa widget/plugin installed on your blog.
That means the blogs under the niche Blogging,Technology will have a better Alexa Rank compared with the blogs which are not related to Tech Stuff.