I would like to add track code for each link of in my email content So , i have register a google analytic accounts and found that there is only 1 track code therefore, how to use php , given a google analytics id and password given, register for a new track code add each code to a link (need to use php to add a 1px * 1 px image for each link?) Return the codes added Thank you Besides, if i have to track the result in Google analytic (traffic source -campaign) or i can use an api that can integrate the result panel in Google analytic to my system ? Thank you again for any kindly help