Webperf Core Web Vitals

PassAudited by VirusTotal on May 11, 2026.

Findings (1)

The bundle is a legitimate collection of web performance diagnostic tools designed for use with Chrome DevTools. The JavaScript snippets (e.g., CLS.js, INP.js, LCP.js) utilize standard browser Performance APIs to measure Core Web Vitals and provide structured feedback to the AI agent. The SKILL.md file contains logical workflows and decision trees for performance auditing without any evidence of prompt injection attacks, data exfiltration, or malicious intent.