Web Developer Cum SEO Analyst Question:

Alexa.com is a website that ranks websites based on traffic, so in terms of SEO, moving up or down the ranks of Alexa is indicative of how effective your SEO campaign has been.

The rank is calculated using a combination of the estimated average daily unique visitors to the site and the estimated number of page views on the site over the past 3 months. The site with the highest combination of unique visitors and page views is ranked as #1.