Always-on tracing for production and preview traffic

PreviewAug 21, 2026VerifiedAdded Sep 22, 2026

With always-on tracing, you can now debug your real user requests without reproducing them. Always-on tracing continuously collects traces from your production and preview traffic. Unlike session tracing , which only captures requests from your own browser, it samples your live traffic. You control what's collected with sampling rules.

Pricing Observability Developer tools

Read Vercel's release notes

https://vercel.com/changelog/always-on-tracing-for-production-and-preview-traffic

Summaries of vendors' own notes. Product names and logos belong to their owners; logos via logo.dev.

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