Troubleshoot Cross-Domain or Redirect Tracking Issues

If your target URL redirects to a different domain, or your site spans multiple domains, GA4 needs cross-domain measurement configured — otherwise sessions can split or attribute unexpectedly at the point of redirect.

What To Check#

  1. Does your target URL redirect? Traffic ultimately lands wherever the redirect resolves — check GA4 on the final destination domain, not just the one you entered.
  2. Cross-domain measurement: if your funnel spans multiple domains, confirm GA4's cross-domain settings include all relevant domains so sessions aren't split.
  3. Referral exclusion list: domains involved in your own redirect chain should typically be excluded from referral attribution so they don't appear as a separate traffic source.
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