AI BriefingQuery Speed Insights data via Vercel CLI
Key point
A new feature has been added that lets you directly query real-user-based Web Vitals and page performance metrics through the Vercel CLI.
Details
You can now use the vercel metrics command in the Vercel CLI to directly query core Web Vitals (LCP, INP, CLS) and other page performance metrics (FCP, TTFB) based on real user traffic.
This feature is especially useful when granting CLI access to Coding Agents, helping agents answer questions such as:
- Which pages have seen INP degrade compared to last week?
- How does the home page feel in terms of speed in the Asia region?
- Comparing dashboard CLS between mobile and desktop
Detailed CLI command usage, along with supported metrics, filters, and query options, can be found in the official Vercel documentation.
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