2010 update: Lo, the Web Performance Advent Calendar hath moved Dec 13 This post is part of the 2009 performance advent calendar experiment. Stay tuned for the articles to come. People are often afraid to use PNG because they think that: a/ it doesn’t work in all browsers, or b/ filesizes are bigger than GIF […]

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 […]

As you know yours truly is a guitar hero wannabe. So I’m playing with the idea of recording a song/video called “Give PiNG a Chance”, cover of “Give peace a chance”. Hopefully whoever hears it will then think twice before saving a GIF instead of PNG. Imagine. And the web will be as one… 😀 […]

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 […]

This is one of those note-to-self type of posts. Just went through the exercise of installing a number of PNG tools on the Mac and here are some notes. The instructions below should probably work on any unix box. AdvDef, AdvPng, … There is a number of Adv* tools (advdef, advpng, advmng, advzip) packed together […]

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 […]