Performance

The blogosphere is a wealth of real-world tips and tricks for improving your ASP.NET application's performance.

• Checklist: ASP.NET Performance 
• The 2004 Patterns and Practices Book "Improving .NET Application Performance and Scalability" has a number of really great chapters worth calling out:
• Chapter 6: Improving ASP.NET Performance
• Chapter 10: Improving Web Services Performance
• Chapter 14: Improving SQL Server Performance
• Performance Best Practices at a Glance
• ASP.NET Web Site Performance Improvement from codegain
• ASP.NET and Load balancing from codegain
  
• 10 Tips for Writing High-Performance Web Applications - Rob Howards classic MSDN article
• 20 Tips to Improve ASP.net Application Performance - The real value in this blog post is in the comments!
• ASP.NET Performance Case Study: Web Service calls taking forever - A great debugger "mystery"
• Developing High-Performance ASP.NET Applications
  
• Overview of ASP.NET Performance Monitoring
• Performance Optimization of an ASP.NET 3.5 Web 2.0 portal by Tanzim Saqib
  
• Speed Up Your Site! 8 ASP.NET Performance Tips from site point
• 10 ASP.NET Performance and Scalabilty secrets from codeproject
• Tips to Improve Your ASP.NET Web site performance from dotnetspark
• ASP.NET Best Practices for High Performance Applications from dotnetspark
  

Enjoy!