core-web-vitals
Optimize Core Web Vitals (LCP, INP, CLS) for better page experience and search ranking. Use when asked to "improve Core Web Vitals", "fix LCP", "reduce CLS", "optimize INP", "page experience optimization", or "fix layout shifts".
64
77%
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Critical
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tessl review fix ./skills/core-web-vitals/SKILL.mdSecurity
1 critical severity finding. Installing this skill is not recommended: please review these findings carefully if you do intend to do so.
E005: Suspicious download URL detected in skill instructions.
What this means
Detected a suspicious URL in the skill instructions that could lead the agent to download and execute malicious scripts or binaries. This includes links to executables from untrusted sources, typosquatting of official packages, URL shorteners that obscure the destination, and personal file hosting services.
Why it was flagged
These links include unknown third‑party ad/widget hosts (https://ad-network.com/ad and https://heavy-widget.com/widget.js) that deliver remote ads/scripts from untrusted domains and can be used to serve malvertising or malicious JavaScript.
- Repository
- addyosmani/web-quality-skills
- Commit
95d6e25
- Audited
- Security analysis
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