Install radar.js (legacy)

Superseded by the unified Learn Domains Analytics Radar Tracker at analytics.learn.domains.

Use the unified tracker

New installs should use Analytics → Setup and the snippet documented in Install the Radar Tracker. One script covers live presence, pageviews, custom events, and goals.

<script defer src="https://analytics.learn.domains/radar.js" data-site="ldana_YOUR_KEY"></script>
See /docs/install-analytics-tracker for platform examples