Improve the performance of an ASP.NET application

Question

How to improve the performance of an ASP.NET application? Which are are the fields I should take care? The application includes DB connections and Image Parsing etc.

Answer 1

1. HTTP Compression
2. Disable Possible ViewState
3. Changes in the Web.Config File : Use page caching, Remove unnecessary httpModules, Turn off trace, Disabled automatic save for profiles, Set debug=false.
4. Implement Cache Dependency
5. Optimize Stylesheets
6. Optimize JavaScript
7. JS and CSS File Position
8. server.transfer() Instead of response.redirect()
9. Client-side Script for Validation