What metrics does this skill use to measure success?

It utilizes the RAIL model and Core Web Vitals (LCP, INP, CLS), along with desktop-specific indicators like renderer process memory stability and main thread CPU load.

Can it fix slow Electron desktop apps?

Yes, it specializes in Electron-specific metrics like IPC round-trip time, main process CPU usage, and cold start optimization strategies using the UtilityProcess API.

How does this skill help with React performance?

It provides specific guidance for React 16 through 19, including how to use Concurrent Rendering, useTransition, and the new React Compiler to prevent unnecessary re-renders.

Does it support Angular Signals and Zoneless mode?

Yes, it includes optimization patterns for Angular 16+ Signals and Angular 18+ Zoneless change detection to minimize change detection overhead.

Frontend Performance Optimizer

Name: Frontend Performance Optimizer
Author: FuDesign2008

byFuDesign2008

•

Analytics & Monitoring

Optimizes web and Electron application performance using industry-standard metrics and framework-specific best practices.

This skill serves as a comprehensive knowledge base for diagnosing and resolving performance bottlenecks in modern frontend applications, including React, Angular, and Electron desktop environments. It provides quantitative benchmarks like RAIL and Web Vitals, identifies framework-specific optimization patterns for versions ranging from React 16-19 and Angular 9-18+, and offers specialized strategies for Electron's multi-process architecture. By providing specific guidance on rendering pipelines, layout thrashing, and IPC overhead, it helps developers transition from performance analysis to concrete, prioritized implementation of high-impact fixes.

Key Features

01Version-aware optimization for React (Concurrent Mode, Compiler) and Angular (Signals, Defer).

024 GitHub stars

03Quantitative benchmarking using RAIL and Web Vitals (LCP, INP, CLS) metrics.

04Detailed bottleneck identification for rendering pipelines, layout thrashing, and memory leaks.

05Prioritized action plans (P0-P2) based on Amdahl's Law for maximum impact.

06Specialized Electron performance tuning including IPC overhead and multi-process management.

Use Cases

01Migrating legacy React or Angular apps to modern, high-performance reactive patterns like Signals or Concurrent Rendering.

02Troubleshooting high Interaction to Next Paint (INP) or Layout Shift (CLS) in complex web applications.

03Reducing Electron application cold start times and IPC communication latency for desktop software.

What are Skills?·How to Install

Install with 🐟 Skill.Fish

npx skillfish add fudesign2008/open-skills frontend-perf

For use in Claude.ai and ChatGPT

Key Features

01Version-aware optimization for React (Concurrent Mode, Compiler) and Angular (Signals, Defer).

024 GitHub stars

03Quantitative benchmarking using RAIL and Web Vitals (LCP, INP, CLS) metrics.

04Detailed bottleneck identification for rendering pipelines, layout thrashing, and memory leaks.

05Prioritized action plans (P0-P2) based on Amdahl's Law for maximum impact.

06Specialized Electron performance tuning including IPC overhead and multi-process management.

Use Cases

01Migrating legacy React or Angular apps to modern, high-performance reactive patterns like Signals or Concurrent Rendering.

02Troubleshooting high Interaction to Next Paint (INP) or Layout Shift (CLS) in complex web applications.

03Reducing Electron application cold start times and IPC communication latency for desktop software.