Registering a short URL[edit] Some websites create short links to make sharing links via instant messaging easier, and to make it cheaper to send them via SMS. Each section contains a brief description, an example, and a link to more detailed information. A few well-known websites have set up their own URL shortening services for their own use – for example, Twitter with t.co, and Google with goo.gl. Twitter will use this to make your timeline better. If you set up tracking this way, you won't be able to see the Google Analytics statistics in MailChimp. There are several techniques to implement a URL shortening.
I have used Google Analytics, bitly, ConversionFly, and ClickMagick works the best for me. See if you are using Classic Analytics (ga.js) or Universal Analytics (analytics.js).