Easy, but easy to f*ck up. 3 Rules to Setup Analytics Tools correctly

Thx for submitting. Didn't really expect this to be HN content.

It's part of my DRM (don't repeat myself) posts i publish. A lot of questions are receive are about basics like this. And i am writing a few posts i can in future simply link to.

Btw if you have more rules/tips let me know - happy to add.