What the script does
Pageviews, form capture, and 30-day source attribution.
The tracking script is a small piece of JavaScript you add to your website. It does three jobs: it records pageviews for analytics, it captures form submissions as leads, and it remembers the marketing source of each visitor so attribution survives across pages and sessions.
Source data such as UTM parameters, Google Click ID, Facebook Click ID, and Microsoft Click ID is stored in the visitor browser for 30 days. That way a lead who clicks an ad today and submits a form next week is still credited to the right campaign.