I have a site with 20.000 uniques per day and the 3 month average rank in alexa is 7,771 so it seems pretty accurate. Before alexa changed the ranking system i

I have a site with 20.000 uniques per day and the 3 month average rank in alexa is 7,771 so it seems pretty accurate. Before alexa changed the ranking system it used to be on the top 1000.