frontend-review-performance

Q: What is a Claude Code skill and how does the frontend-review-performance skill fit in?

A Claude Code skill is a SKILL.md file that lives under ~/.claude/skills/<name>/ and tells the Claude Code CLI agent how to perform a specific task (instructions, prompts, allowed tools). Skills are auto-discovered at session start. frontend-review-performance is one of 67,000+ skills indexed in the open ClaudSkills catalog, classified under the General category. Learn more at https://claudskills.com/learn/what-is-skill-md/.

Category: General · Sub-category: operations · Last updated: 2026-05-27

type:review type:debug

Use when reviewing React rendering performance — profiler-first diagnosis, memo/useCallback/useMemo correctness, virtual scroll, useTransition/useDeferredValue, and canvas/WebGL separation for data-heavy UIs. Covers checklist 24-rendering-performance.md.

From the source SKILL.md

You are reviewing the rendering performance of a React frontend. The most common AI-generated problems are: applying memo / useCallback / useMemo everywhere without measuring (or never at all), missing virtual scroll on large lists, and Context changes re-rendering unrelated components.

What this skill does

frontend-review-performance is a community-contributed Claude Code skill in the operations sub-category. It ships as a SKILL.md file that Claude Code auto-discovers under ~/.claude/skills/review-performance/ and loads when your prompt matches the skill's trigger.

When to invoke it: Use when reviewing React rendering performance — profiler-first diagnosis, memo/useCallback/useMemo correctness, virtual scroll, useTransition/useDeferredValue, and canvas/WebGL separation for data-heavy UIs. Covers checklist 24-rendering-performance.

Who uses this skill

The frontend-review-performance Claude Code skill is built for Claude Code users and developers across all disciplines looking for general-purpose AI assistance. It's part of ClaudSkills (also referred to as Claude Skills or Claude Code Skills) — the open community-curated registry of 92,000+ SKILL.md files for Anthropic's Claude Code agent and the wider Claude ecosystem (Claude API, Claude Agent SDK).

How to install

Free

Manual install (2 steps)

mkdir -p ~/.claude/skills/review-performance
curl -L https://claudskills.com/skills/review-performance/SKILL.md \
  -o ~/.claude/skills/review-performance/SKILL.md

Or just download SKILL.md directly and drop it into ~/.claude/skills/review-performance/. Claude Code auto-discovers it on next session.

Skills live at ~/.claude/skills/review-performance/SKILL.md on macOS/Linux, or %USERPROFILE%\.claude\skills\review-performance\SKILL.md on Windows. See the full install guide for step-by-step instructions.

Pro

One-click install via the desktop app

The ClaudSkills desktop app installs any skill directly into ~/.claude/skills/ with one click — no terminal required. Pro starts at $9/mo or $149 lifetime.

Pro

For the full experience including quality scoring and one-click install features for each skill — upgrade to Pro.

See pricing → Download desktop app

Frequently asked questions

How do I install the frontend-review-performance Claude Code skill?

Install via the ClaudSkills desktop app (one click) or copy SKILL.md from the source repository to ~/.claude/skills/review-performance/SKILL.md and restart Claude Code. Both flows are detailed at claudskills.com/install/.

What does the frontend-review-performance skill do?

Is this skill free to install?

Yes. ClaudSkills is an open registry — every skill keeps its source repository's license, and manual install via copy is free. ClaudSkills Pro ($9/mo, $79/yr, or $149 one-time) adds one-click install via the desktop app and a multi-signal Quality Score.

When should I use the frontend-review-performance skill?

Use frontend-review-performance when your Claude Code task falls under the General category — specifically in the operations area. Claude Code auto-discovers installed skills and invokes the right one based on the task description, so you can also ask Claude directly (e.g. "use frontend-review-performance" or describe the task and let Claude pick). Browse related skills at /category/general/.

What is a Claude Code skill and how does the frontend-review-performance skill fit in?

A Claude Code skill is a SKILL.md file that lives under ~/.claude/skills/<name>/ and tells the Claude Code CLI agent how to perform a specific task (instructions, prompts, allowed tools). Skills are auto-discovered at session start. frontend-review-performance is one of 67,000+ skills indexed in the open ClaudSkills catalog, classified under the General category. Learn more at /learn/what-is-a-claude-skill/.

Attribution & license

Source: https://github.com/mizchi/skills/blob/HEAD/frontend/review-performance/SKILL.md
Author: mizchi

Cite this skill

If you reference this skill in a blog post, paper, or documentation, you can cite it as:

APA

mizchi. (2026). frontend-review-performance [Claude Code skill]. ClaudSkills. https://claudskills.com/skills/review-performance/

BibTeX

@misc{review-performance-2026,
  author    = {mizchi},
  title     = {frontend-review-performance [Claude Code skill]},
  year      = {2026},
  publisher = {ClaudSkills},
  url       = {https://claudskills.com/skills/review-performance/}
}

Embed this skill

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Badge

[![ClaudSkills](https://claudskills.com/badge/review-performance.svg)](https://claudskills.com/skills/review-performance/?utm_source=badge&utm_medium=readme&utm_campaign=skill_badge)

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