This Google Analytics API based on Google Measurement Protocol, sending the data/event to google from server.
This mainly made for pages where the javascripts are not allowed, email tracking,etc.
It works just by adding the image tag ,
and trackign ID and title of page will be the part of the image URL.

" Got lot requist form upcoming developer says in some pagers they can add javascript or (free) hosting will remover (strip off) js tags."

Github Wiki