A few months ago I gave a 5 minute Ignite talk at the Velocity conference. (My previous post talks about the Ignite experience.) I thought they recorded the video and wanted to share but seems like it’s not happening. So below are the slides from slideshare. The ignite talk rules are: 20 slides that change […]

JPEGtran is cool because it lets you optimize JPEG images losslessly by: Stripping meta data (meta is sometimes bulky and useless for web display) Optimizing Huffman tables or Convert a JPEG to progressive encoding From my experience 1 is more important than 2 or 3 and 3 gives better results than 2 for images over […]

Thanks to Joseph Jiang who translated in Chinese parts of my image optimization articles from the YUI blog If you read Chinese, visit http://josephj.com/entry.php?id=209.

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 […]

Since me and Nicole announced smush.it yesterday at Ajax Experience and thanks to Christian Heilmann posting it on Ajaxian and Yahoo Developer Network, this thing seems to have exploded! It’s all over the blogosphere, twitter-sphere and every other sphere. BTW, Chris never seizes to amaze – he posted the video on Ajaxian at 11:01 am […]

I’ll be speaking at the php|works and pyWorks conferences in Atlanta, Georgia in November, they’ll be held together and there is a central track that has topics of interest to both phpiers and pythonistas, this is where I come in. The conference(s) schedule is here and this is me: “Image optimization for the web”

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 […]