How can I convert my VB.Net code to C# code and Vice Versa?

Solution:
 devloperFusion.com provides a free online tool that makes that conversion tasks very easy for developers. You can convert VB.Net code to C#, Python or Ruby code as well as C# code to VB.Net, Python or Ruby. This tool supports upto .net 3.5 syntax. To use the tool go to:
Convert VB.NET to C#
Convert C# to VB.NET

Optimize images used in your application

Image optimization is very important for your applications performance. You can reduce your images size upto 90% using PngOptimizer without quality loss. It strip unused meta data and optimize compression.

It is found in two flavor:
1. As web site. http://www.pngoptimizer.com/ . It accepts PNG, JPEG, GIF, BMP, TIFF input types.
2. As portable application. You can download it from here. It accepts PNG, GIF, BMP, TGA input types.

How can I measure my web page performance?

Web site speed & performance tuning tool:

There is some excellent tools for web developers for analyzing their web site performance and speed. Two grate tools are YSlow by Yahoo and Google Page Speed. These are found as browser extension or add-on. Another greate one is http://gtmetrix.com/ which combines both Google Page Speed and YSlow into an easy to read, tabbed, table of recommendations.

GTmetrix uses Google Page Speed and Yahoo! YSlow to grade your site's performance and provides actionable recommendations to fix these issues. However, it ranks the groupings of recommendations from low to high so that you can decide which one should be solved first.

If page speed is a fact to you, then these must be useful for you.