CSS and JavaScript Performance Tips

Have you ever thought about how many customers you lose by having a slow site? And I’m not talking about file size only, as we rely on browser capacities to understand our code, we need to consider the processing time also.

That’s why sometimes adding a few bites in your code is much better because it save you precious seconds when real browsers or IE try to process your code.

Let’s see a few nice tips on how to improve this:

Tools and Tips on how to Optimize Images for the Web

The time a page takes to load is something every designer worries about, or at least is something that every designer should worry about. It doesn’t matter if the layout is nice and beautiful if it doesn’t function properly. Since images can be pretty heavy, this is certainly an issue to keep an eye on. And this is why today we gathered a few links here to show you some tools and articles that will help you with this issue. Even if you are a pro at “saving as better quality jpg” it is always nice to check out some tools (old or new) to have you covered when it is time to optimize images.

Useful Tools

TinyPNG

TinyPNG uses smart lossy compression techniques to reduce the file size of your PNG files.

Smush.it

Smush.it uses optimization techniques specific to image format to remove unnecessary bytes from image files.

OptiPNG

OptiPNG is a PNG optimizer that recompresses image files to a smaller size, without losing any information.

ImageOptim

ImageOptim optimizes images — so they take up less disk space and load faster — by finding best compression parameters and by removing unnecessary comments and color profiles. It handles PNG, JPEG and GIF animations.

CodeKit

CodeKit helps you build websites faster and better. And it also helps you optimizing images.

imgo

Image optimization tool.

jQuery Lazyload

jQuery plugin for lazy loading images.

(source WDL)