Traffic Rank PHP or Alexa Ranking Booster PHP is a free, easy to use script which will help you improve your Alexa Ranking.This script uses multiple proxy servers to create unlimited traffic(visitors) to your website.All you have to do is unzip the distribution package,define the target url(the website which you want to promote) and upload the script on your server.You can choose how many visitors you need,set the referrer url and many other.