Session Replay uses a Service Worker in another domain session-replay-datadoghq.com to provide the best experience possible while protecting your privacy and guaranteeing the safety of your data.

If you have blocked third-party cookies in your browser settings, or if your browser blocks them by default, this prevents the service worker from registering correctly.

Allow an exception

Datadog recommends that you make an exception to your third-party cookie blocking to allow Session Replay’s service worker to function properly.

If you use Google Chrome, follow the instructions below. This exception workflow also applies to Firefox and other desktop browsers, including Brave and Edge.

  1. In your web browser, click the Lock icon to the left of the page URL.

  2. Click Cookies. A pop-up modal appears.

    Allow Session Replay Third-Party Service Worker
  3. Navigate to the Blocked tab and select session-replay-datadoghq.com from the list of pages.

  4. Click Allow and Done.

    Allow Session Replay Third-Party Service Worker

Once you have updated your cookie settings, reload the page.

Further Reading

Additional helpful documentation, links, and articles: