Ultimate Ad Tracker - FREE

• Track hits by using different URL's for each ad campaign
  You can assign a unique name to each link you create, with a note to identify it in your stats.
   

• Track Anywhere
  Track hits from any site you send traffic to (i.e. affiliate programs, safelists,)and / or label them to know from where you sent them.
   

• Password Protected Admin area
  Shows all referring URLs, Track total hits and total unique hits, All hits logged in an easy to read graphical format. Ability to edit all links you have made.
   

• Exact Time Formatting
  Track hits and unique hits by month, day, even down to the hour!
   

• Handles all your needs
  File locking to handle heavy loads of traffic, and can store an unlimited amount of created links! Flat file log can be easily downloaded via FTP for instant backup in the event of a server crash.
   

• Complete Statistics
  Shows ratio of unique hits to total hits. Graphically formatted to give you a complete view of every stat detail of your links.
   

• Complete Instructions Included
  Complete step-by-step instructions will guide you to setup in no time with only very basic editing and uploading knowledge.
   

  
There are way too many reasons why you should run your own tracking system.  But let's summarize the ones we've mentioned until now.