Importance of Alexa and Page Rank?

Alexa would be an fascinating device, if this classification was obtained after counting every single matchless visit received by a site. In fact, Alexa only counts visits from users that have installed the Alexa toolbar on their browser, meaning that Alexa rating is made only from a small sample audience.

Alexa rank is the rank provided by Alexa.com, subsidiary company of Amazon.com.The rank is given according to the number of visitors to the site.Its very important as they are doing SEO to increase the traffic to our site so that the key word count, back links and also the PR of the site will increase.The less is the Alexa rank, the better it is.The number varies from one to 4000000.The new sites with no visitors start from 4000000.Generally it takes three months to give the exact rating of the site.
ansi class 2 vest

Alexa ranking is not relevant. They come from users of the Alexa toolbar, so the user selection leans toward those who download the toolbar, often webmasters.