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Dec 10, 2025 · Frontend Development
How to Globally Capture XHR & Fetch Errors and Enable B3 Tracing in Frontend
This article explains why global error capture for XHR and Fetch requests is essential, shows how to intercept and report those errors, demonstrates injecting B3 trace headers for end‑to‑end tracing, and provides practical solutions for cross‑origin scenarios.
Distributed TracingXHRb3 tracing
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