Best Practices for Speeding Up Your Web Site

Best Practices for Speeding Up Your Web Site -> http://developer.yahoo.com/performance/rules.html#etags
Firebug -> https://addons.mozilla.org/en-US/firefox/addon/1843
YSlow   -> http://developer.yahoo.com/yslow/

HttpWebRequest and GZip Http Responses -> http://www.west-wind.com/WebLog/posts/102969.aspx

Dingo schema compiler for .NET

Dingo is a pluggable Schema Compiler for .NET and will generate C# code. The goal is to provide a simple way to generate Domain Objects. .NET XSD currently only generates Data Objects. Dingo can delegate code generation with high granularity.
http://sourceforge.net/projects/dingo/

Essential knowledge and tools for web site performance optimization

Best Practices for Speeding Up Your Web Site
http://developer.yahoo.com/performance/rules.html#etags
Firebug
https://addons.mozilla.org/en-US/firefox/addon/1843
YSlow    
http://developer.yahoo.com/yslow/

WatiN - Web Application Testing In .Net

http://www.codeproject.com/KB/aspnet/WatiN.aspx
http://watin.sourceforge.net/
http://watintestrecord.sourceforge.net/

Snippet Compiler

http://www.sliver.com/dotnet/SnippetCompiler/