Performance Optimization

by ThamJiaHe

Performance Optimization is a Frontend skill for Claude Code, published by ThamJiaHe in claude-code-handbook.

201 stars22 forkson ThamJiaHe/claude-code-handbookAdded 2026/09/05Repository updated 2026/04/19

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Install in seconds

Install Performance Optimization

Copy Performance Optimization into your Claude Code skills folder. Run the command in your terminal, or review the source on GitHub before installing.

terminal

npx degit https://github.com/ThamJiaHe/claude-code-handbook/tree/main/skills/examples ~/.claude/skills/examples

Requires Node.js. Downloads this skill only — not the rest of the repository — into your Claude Code skills folder.

Without Node.js

git clone https://github.com/ThamJiaHe/claude-code-handbook.git

Clones the whole repository, then copy the skill’s own directory into your skills folder yourself.

In this catalog

Source file: skills/examples/performance-optimization-skill.md in ThamJiaHe/claude-code-handbook
Installs to: ~/.claude/skills/examples
Collection: One of 25 skills cataloged from this repository
Category: Frontend — 653 skills

What Performance Optimization does

Performance Optimization improves Next.js load times by splitting code, tree shaking unused imports, and analyzing bundle size. Use it when reducing bundle size, tuning images, caching, or adjusting build settings.

Performance Optimization is cataloged under Frontend on DirSkills. Performance Optimization comes from a repository tagged ai, anthropic-claude, claude, claude-ai and claude-code.

Documentation

README

Excerpt

Performance Optimization

Systematic performance optimization for faster load times and reduced resource consumption.

Overview

This Skill enforces:

Code splitting and lazy loading
Tree shaking unused code
Bundle size analysis
Dynamic imports
Image optimization
Build configuration tuning
Compression strategies
Caching headers

Apply when optimizing performance, reducing bundle size, or improving load times.

Code Splitting

Route-Based Splitting

// Next.js automatically splits by route
app/
├── dashboard/page.tsx    // bundle-1.js
├── settings/page.tsx     // bundle-2.js
└── analytics/page.tsx    // bundle-3.js

// Only loaded when user visits that route

Component-Level Splitting

This is the opening of the README. Read the full README on GitHub.

Frequently asked about Performance Optimization

What else does ThamJiaHe publish alongside Performance Optimization?
Performance Optimization is one of 25 skills that DirSkills catalogs from ThamJiaHe/claude-code-handbook, the repository it ships in. Its siblings there include API Development, API Security Hardening and AWS Cloud Infrastructure. Each one is a separate skill with its own page in this directory, installs the same way Performance Optimization does, and is maintained by ThamJiaHe in that same repository. The rest of the collection is listed on the ThamJiaHe/claude-code-handbook page.
How does Performance Optimization compare to other Frontend skills?
Performance Optimization ranks #607 by stars among the 653 Frontend skills in this catalog. The most-starred ones next to it are Angular Developer, Android Clean Architecture and Accessibility. DirSkills ranks by the star count of the repository each skill ships in, so that order reflects how popular those repositories are rather than any review of Performance Optimization against them. Open each page to compare what they document and how they install.