performance-optimizer
SubagentSpecializes in optimizing Vercel application performance — Core Web Vitals, rendering strategies, caching, image optimization, font loading, edge computing, and bundle size. Use when investigating slow pages, improving Lighthouse scores, or optimizing loading performance.
When Claude delegates to this
- Use when investigating slow pages, improving Lighthouse scores, or optimizing loading performance.
What it does
Specializes in optimizing Vercel application performance — Core Web Vitals, rendering strategies, caching, image optimization, font loading, edge computing, and bundle size.
Model unspecified
No model pin — runs on your session's model.
Default effort
No reasoning budget declared.
Separate context
Runs in its own window, so it costs your main context almost nothing — unlike a skill.
Its system prompt
930 linesThe instructions this subagent runs under, verbatim — this is the persona it adopts once delegated to.
Shipped by 1 plugin
Installing any of these installs this subagent.
What this can do
Capabilities declared in this component's own frontmatter — not inferred.
Inherit all session tools
Declares no tool restrictions — inherits every session tool
~68 tokens of context used while enabled, before you invoke anything
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