10 ASP.NET Core Performance Tweaks Every Dev Should Know

 10 ASP.NET Core Performance Tweaks Every Dev Should Know

A.Radhakrishnan 

Most ASP.NET Core apps don’t need a full rewrite, They need these 🔟 micro-tweaks:

1. Use Minimal APIs for Lightweight Endpoints

Ditch MVC where it’s overkill. Less overhead, faster routing.

2. Avoid .ToList() Too Early

 Let EF Core compose the query — don’t force it prematurely.

3. Enable Response Caching

 Static content? Cache it and save the CPU for real work.

4. Use AsNoTracking() for Read-Only Queries

 Need blazing read speed? Stop EF from tracking changes you don't need.

5. Trim Middleware

 Each middleware = overhead. Audit your pipeline.

6. Compress Responses (Gzip/Brotli)

 Small payload = faster load. Your API will thank you.

7. Benchmark with BenchmarkDotNet

 Guessing is for gamblers. Profile your bottlenecks.

8. Pool DbContext in High-Load Apps

 DbContext pooling = fewer allocations = faster throughput.

9. Tune Kestrel Server Settings

 Thread count, limits, and buffer sizes — tiny configs, big gains.

10. Use Output Caching in .NET 8

 New feature, massive impact. Return cached results instantly

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