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dotnet-aot-wasm

Configure .NET WebAssembly AOT compilation, trimming, and lazy loading.

71|10|Updated Feb 11, 2026
Search Tags:#performance#optimization#dotnet#wasm#blazor#aot#trimming
One-click install
npx skills add https://github.com/wshaddix/dotnet-skills --skill dotnet-aot-wasm-wshaddix
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: dotnet-aot-wasm
Source: https://github.com/wshaddix/dotnet-skills/tree/main/skills/dotnet-aot-wasm
Command: npx skills add https://github.com/wshaddix/dotnet-skills --skill dotnet-aot-wasm-wshaddix

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes references (resource) components.

What problem does it solve?

This Skill helps developers optimize .NET WebAssembly applications by leveraging Ahead-of-Time (AOT) compilation and trimming to balance download size and runtime performance.

Core Features & Use Cases

  • AOT Compilation: Compile .NET IL to native WebAssembly for faster execution.
  • Trimming: Remove unused code to reduce download size.
  • Lazy Loading: Defer loading of non-critical assemblies to improve initial load times.
  • Brotli Compression: Ensure efficient transfer of WASM assets.
  • Use Case: Optimize a Blazor WASM application with a large reporting module by AOT-compiling core logic while lazy-loading the reporting module to reduce initial download size and improve runtime speed for critical paths.

Quick Start

Configure your Blazor WASM project's .csproj file to enable AOT compilation and trimming for optimized performance and size.

Frequently Asked Questions about dotnet-aot-wasm

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

FAQPage Schema
How do I optimize Blazor WASM application size and runtime speed?▼

Reduce Blazor WASM initial download size by lazy loading non-critical assemblies while applying AOT compilation only to core logic, ensuring critical paths execute faster without inflating the initial payload.

Does AOT compilation increase WebAssembly download size in .NET?▼

AOT compilation compiles .NET IL to native WebAssembly, which significantly increases the artifact size compared to interpreter mode, requiring trimming and Brotli pre-compression to manage the download payload.

How do I configure selective AOT compilation in a .NET WASM project?▼

Configure selective AOT by modifying your Blazor WASM project's .csproj file to enable AOT compilation and trimming, allowing you to target core logic for native execution while deferring non-critical modules.

Can I use Brotli pre-compression for .NET WebAssembly assets?▼

Brotli pre-compression ensures efficient transfer of WASM assets by compressing the compiled WebAssembly files beforehand, significantly reducing download times for Blazor and Uno WASM applications.

What are the limitations of trimming unused code in .NET WASM?▼

Trimming removes unused code to reduce download size, but it can cause runtime errors if reflection or dynamic assembly loading is used, requiring careful configuration of selective AOT and lazy loading strategies.

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