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JavaScript Trackers (web and Node.js)

Actively Maintained

The Snowplow JavaScript Trackers support being used in a number of environments. There are three versions of the tracker.

Web trackingโ€‹

We have two flavours of web tracker: JavaScript and Browser.

  • JavaScript Tracker (v2 and v3) for loading via tags, by adding code snippets to your website or Tag Manager solution.
  • Browser Tracker (v3) for installation into web apps via npm. Popular when natively integrating tracking into React, Angular and Vue applications.

Find the documentation for both in the Web trackers section.

Server-side trackingโ€‹

Track events in server-side Node.js environments using the Node.js Tracker (v3). Used via npm.

Find the documentation in the Node.js tracker section.


All three trackers can be found on Github. The current version is 3.21.0.

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