AMP: Building Accelerated Mobile Pages

Triggers

We can define how and when analytics requests are made with triggers. They are essentially mappings between events and analytics requests and are defined in the triggers object. In the example earlier, we have one trigger:

 "trackPageview": {   "on": "visible",   "request": "pageview",   "vars": {     "foo": "bar"   } }

It has the following properties:

• Name: trackPageView. You can use any alphanumeric string here.
• Event listener: "on":"visible". The full list of possible events for triggers is render-start, ini-load, visible, click, scroll, timer, and hidden.
• Request type: pageview. This maps to a request type defined in the requests section of the config. This trigger is mapped to the pageview request.
• Variables: "foo": "bar". We can also ...