analytics.html

<analytics>
    <script type="application/json">
    {
      "requests": {
        "pageview": "https://example.com/analytics?pid=",
        "event": "https://example.com/analytics?eid="
      },
      "vars": {
        "account": "ABC123"
      },
      "triggers": {
        "trackPageview": {
          "on": "visible",
          "request": "pageview"
        },
        "trackAnchorClicks": {
          "on": "click",
          "selector": "a",
          "request": "event",
          "vars": {
            "eventId": "42",
            "eventLabel": "clicked on a link"
          }
        }
      }
    }
    </script>
</analytics>