This article is another article that I wrote for the compression of PNG with optipng and pngnq.
Thanks to Frank, I discovered a new utility for optimizing the compression of images in PNG format: ScriptPNG.
Particular, it allows two types of compression: lossless compression and conversion to 256 colors [...]

WebWait is a website that allows a script with Ajax, to measure the load time of pages in your site.
The test is fully customizable: you can choose the number of times your site will be loaded, and the waiting time between loads. This results in an average time of [...]

With the new graphical themes, ever more innovative use of CSS Web sites rose sharply codes produce quite large and slowing down the loading of pages.
A good way to limit this effect, would, I think, to divide the CSS into multiple files and pages to load only those useful for [...]

The optimization of image compression is an important factor of speed of loading web pages. As I am in my period optimization, I sought a method to reduce the size of PNG.
Here are two absolutely essential tools:
Pngnq, to ​​convert a PNG file with 256 colors by setting a range of colors [...]

RefactorMyCode is an online support to improve and optimize your code.
Post your code, other users will suggest improvements or tips to optimize, correct any red ... In my opinion it's also a good way to learn to program, looking at the code examples posted.
Finally, this site can also be a resource [...]