flutter-core:flutter-performance

Diagnose and optimize Flutter app performance across build, rendering, memory, and app size.

4|1|Updated Jan 23, 2026

Search Tags:#performance #optimization #rendering #memory #profiling #devtools #flutter

Ready to run

npx skills add https://github.com/aaronbassett/aaronbassett-marketplace --skill flutter-core-flutter-performance

💬 Prompt for ChatGPT / Claude Chat▼

Please help me install this Agent Skill.
Skill: flutter-core:flutter-performance
Source: https://github.com/aaronbassett/aaronbassett-marketplace/tree/main/plugins/flutter-core/skills/flutter-performance
Command: npx skills add https://github.com/aaronbassett/aaronbassett-marketplace --skill flutter-core-flutter-performance

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

Flutter apps frequently struggle with jank, memory pressure, slow startup, and heavy rebuilds. This Skill provides a structured, measurement-first approach to diagnosing and optimizing Flutter performance across build, rendering, memory, and app size, enabling smoother experiences.

Core Features & Use Cases

Measurement-driven diagnosis: Use Flutter DevTools to identify bottlenecks in frame rendering, builds, and memory.
Targeted optimizations: apply const constructors, RepaintBoundary usage, memory-management patterns, lazy lists, and deferred loading to reduce work per frame.
Typical scenarios: when scrolling is choppy, startup is slow, or memory usage spikes; this Skill guides you through profiling, pattern application, and verification with metrics.

Quick Start

Profile a critical screen in Flutter's profile mode, identify top bottlenecks, then implement patterns (const, splitting, boundary) and re-profile to confirm gains.

Frequently Asked Questions about flutter-core:flutter-performance

High-intent search queries and answers about installing and using this skill.

FAQPage Schema

How do I fix Flutter jank and choppy scrolling using DevTools?▼

Fix Flutter jank by profiling critical screens in profile mode with Flutter DevTools to identify rendering bottlenecks. Apply targeted optimizations like const constructors and RepaintBoundary, then re-profile to confirm frame rendering improvements and achieve smoother scrolling.

Why does my Flutter app have slow startup and heavy rebuilds?▼

Slow startup and heavy rebuilds in a Flutter app often stem from unnecessary widget rebuilding and blocking operations. Diagnose these performance issues using a measurement-first approach with DevTools to trace builds and apply deferred loading to reduce initial work.

What is the best way to reduce memory pressure in a Flutter app?▼

Reduce memory pressure in a Flutter app by profiling memory usage with DevTools to identify spikes. Implement memory-management patterns and lazy lists to optimize how assets and widgets are loaded and retained during navigation.

How do I use RepaintBoundary and const constructors to optimize Flutter rendering?▼

Use RepaintBoundary to isolate and limit repaints to specific screen areas, and apply const constructors to prevent unnecessary widget rebuilds. Verify these rendering optimizations by measuring frame rates in Flutter profile mode before and after implementation.

When should I profile my Flutter app to check for performance bottlenecks?▼

Profile your Flutter app whenever scrolling becomes choppy, startup is slow, or memory usage spikes. Use Flutter's profile mode and DevTools as a measurement-first diagnosis step before applying any performance optimization patterns to ensure you target actual bottlenecks.