Is Preview Server Safe?

Preview Server — Nerq Trust Score 80.0/100 (A- grade). Score based on 2 independent trust signals. Last analyzed: 2026-03-20

Preview Server is a npm package with a Nerq Trust Score of 80.0/100 (A-), based on 3 independent data dimensions. Last analyzed: 2026-03-20 Security: 90/100. Popularity: 75/100. Data sourced from npm registry, GitHub repository, NVD, OSV.dev, and OpenSSF Scorecard. Last updated: 2026-03-20. Machine-readable data (JSON).

Preview Server Across Platforms

Same developer/company in other registries:

Safety Guide: Preview Server

What is Preview Server?

Preview Server is a Node.js package — A live preview of your emails right in your browser..

How to Verify Safety

Run npm audit to check for vulnerabilities. Review the package's GitHub repository for recent commits.

You can also check the trust score via API: GET /v1/preflight?target=@react-email/preview-server

Key Safety Concerns for Node.js package

When evaluating any Node.js package, watch for: dependency vulnerabilities, malicious packages, typosquatting.

Measured Signals

Preview Server has a Nerq Trust Score of 80/100 (A-). This score is a composite of automated measurements of security, maintenance, community, and quality signals.

Key Takeaways

• Preview Server has a Trust Score of 80/100 (A-).
• The score is a measured composite — it is not a suitability judgment. Evaluate the individual signals against your own requirements.
• Query the current measured values via the Nerq API.

Disclaimer: Nerq trust scores are automated measurements based on publicly available signals. They are not endorsements, verdicts, or guarantees of suitability. Always evaluate the signals against your own requirements.