AMP: Building Accelerated Mobile Pages

Tracking outbound link clicks

Another useful thing to track is clicks on outbound links. We could use the following configuration to track clicks on links:

"triggers": {  "outLinkClicks": {    "on": "click",    "selector": "a",    "request": "event",    "vars": {      "eventCategory": "outbound",      "eventAction": "click",      "eventLabel": "${outboundLink}"    }  }}

Then, we can annotate each outbound link with a data attribute:

<a href="http://example.com"    data-vars-outbound-link="http://example.com">Some link</a>

A drawback of this approach is that a request will be sent whether or not it's an outbound link, although only the links we've annotated will contain an eventLabel value.

We could remedy this by targeting only the actual outbound links with a more specific ...