2010 update: Lo, the Web Performance Advent Calendar hath moved Dec 12 This post is part of the 2009 performance advent calendar experiment (12 articles down, 12 more to go). Stay tuned for the articles to come. Let’s continue the topic of reducing file sizes started with the previous post and talk about making images […]

I’m currently experimenting with different tools for optimizing PNG images to figure out strengths/weaknesses of each. Only considering free, ideally open-source, tools that can be run from the command line. For smush.it I just picked pngcrush for no particluar reason and I was thinking that once I have the optimization tool up and running and […]

pngcrush is an excellent optimizer for png images, simple and fast, highly recommended. Basically any time before you post a PNG on the web, you should run it through PNGCrush. It’s a command line utility, there’s a quick way to integrate pngcrush in windows explorer. (note to self: I actually wrote a wordpress plugin to […]