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React performance optimization v1.0.0

Use this resource to speed up a slow React application and reduce its weight

New

  • 482 downloads
  • 143 likes
  • 138 saves

Free

Install with the CLI

In a terminal, from the folder you want:

npx --yes palatekit@latest install react-rendering-performance

With no option, the skill goes to ~/.agents/skills/; add --agent claude-code (or codex, cursor…) to target an agent.

First time: connect the CLI with

npx --yes palatekit@latest login

The agent profiles the app with the React Profiler, finds components that re-render too often, applies memoization, code splitting and virtualization, then checks the gain. You get targeted, measured optimizations.

Mostly picked by

Updated November 2, 2026

Card for the “React performance optimization” skill

Details

Works in
Install guides
Generates with
Your agent's model
Licence
MIT

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What you get

  • references/memoization.md and code-splitting.md: memoization and code splitting
  • references/virtualization.md and profiling-debugging.md: virtualized lists and profiling
  • validation/rubric.yaml: checklist for verifying gains

Good fit for

  • A table or long data list lags on screen
  • The initial bundle is too heavy and slows the first load

Not for

    Tags

    • react
    • performance
    • memoization
    • virtualization

    About

    You say

    “My 5,000-row table takes two seconds to react to the filter. Find the wasted renders and optimize.”

    Card for the “React performance optimization” skill

    Skill published by nickcrew under the MIT license, delivered in its original version.

    Show more

    How to use it

    1. Install the skill in your agent's skills folder
    2. Ask your agent to speed up a slow React application and reduce its weight
    3. Review and adjust the result

    Content preview

    Files

    • LICENSE1 KB
    • NOTICE-PALATEKIT.md0.5 KB
    • references/code-splitting.md2.9 KB
    • references/common-pitfalls.md8.3 KB
    • references/concurrent-features.md3.4 KB
    • references/memoization.md3.8 KB
    • references/profiling-debugging.md5.4 KB
    • references/state-management.md3.9 KB
    • references/virtualization.md2.6 KB
    • SKILL.md7.2 KB
    • validation/rubric.yaml2 KB

    Origin and licence

    Listed unmodified

    Author
    nickcrew
    Source
    github.com/nickcrew/claude-cortex/tree/bb47af79ad3befe01ae01940fcf5f16e30a1b6df/skills/react-performance-optimization
    Licence
    MIT

    Notice

    « react-performance-optimization » (nickcrew, MIT) livré dans sa version d'origine : fiche en français et en anglais par PalateKit.

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