vercel project speed-insights enables Speed Insights

Introduced 2026-04-06 · score 0.96

HOW TO USE IT

When enabling Speed Insights for a Vercel project, run `vercel project speed-insights` from its linked directory or provide the project name; add `--format json` for JSON output. In non-interactive use, handle error payloads returned by the command.

WHY THIS HELPS

Enable Speed Insights for a project while configuring its development workflow.

REQUIREMENTS AND LIMITATIONS

• Version: 50.40.0
• name: Optional project name; omit to use the linked project.
• --format json: Select JSON output format.
• Prerequisite: Requires a Vercel account, a Vercel project, and the Vercel CLI installed.
• The command includes non-interactive error payloads.

FIRST-PARTY EVIDENCE

• https://github.com/vercel/vercel/releases/tag/vercel%4050.40.0
• https://github.com/vercel/vercel/blob/vercel%4050.40.0/packages/cli/src/commands/project/command.ts
• https://vercel.com/docs/speed-insights/quickstart

Check the installed version and the source before using it. Entry JSON

Report a problem with this card