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Add troubleshooting tips for Segment signals #8127

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Add troubleshooting tips for Segment signals
maxmilhan Nov 3, 2025
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Update src/connections/auto-instrumentation/web-setup.md
maxmilhan Nov 5, 2025
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Update src/connections/auto-instrumentation/web-setup.md
maxmilhan Nov 5, 2025
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Update src/connections/auto-instrumentation/web-setup.md
maxmilhan Nov 5, 2025
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8 changes: 8 additions & 0 deletions src/connections/auto-instrumentation/web-setup.md
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Expand Up @@ -357,6 +357,14 @@ Network signals emit when an HTTP Request is made, or an HTTP Response is receiv
- First party domain (for example, if on `foo.com`, then `foo.com/api/products`, but not `bar.com/api/products`)
- Contains the content-type: `application/json`

## Troubleshooting

Here are the most common misconfigurations preventing signals from reaching Segment.

- Not enabling signals with the URL parameter: You must start each debug session by appending `?segment_signals_debug=true` to your URL parameters.
- Running debug mode with an ad blocker: An active ad blocker prevents signals from reaching Segment. Disable your ad blocker and start a new session.
- Content Security Policies: In addition to the [default Analytics.js Content Security Policies](/docs/connections/sources/catalog/libraries/website/javascript/faq/#does-segment-support-using-strict-content-security-policy-csp-on-the-page), you must add `cdn.jsdelivr.net` to your allowlist, or `https://cdn.jsdelivr.net/npm/@segment/analytics-signals@latest/dist/umd/analytics-signals.umd.js` if your policies require the full path.

## Next steps

This guide walked you through initial Signals SDK/Auto-Instrumentation setup. Next, read the [Auto-Instrumentation Signals Implementation Guide](/docs/connections/auto-instrumentation/configuration/), which dives deeper into Signals and offers example rules.