1617807573-Image_Optimization_Lighthouse_Comparison

By David Walsh on April 28, 2021

Recent Features

By David WalshSeptember 21, 2017
How to Create a RetroPie on Raspberry Pi – Graphical Guide
Today we get to play amazing games on our super powered game consoles, PCs, VR headsets, and even mobile devices. While I enjoy playing new games these days, I do long for the retro gaming systems I had when I was a kid: the original Nintendo...
By David WalshJuly 15, 2013
9 Mind-Blowing WebGL Demos
As much as developers now loathe Flash, we're still playing a bit of catch up to natively duplicate the animation capabilities that Adobe's old technology provided us. Of course we have canvas, an awesome technology, one which I highlighted 9 mind-blowing demos. Another technology available...

By David WalshJanuary 2, 2013
afterscriptexecute Event
Fellow Mozillian Daniel Buchner, curator of the X-Tag project and clever developer who showed us how to detect dom node insertions using CSS animations, recently showed me a new JavaScript feature I'd never heard of: the SCRIPT element's afterscriptexecute event.
By David WalshJune 10, 2013
Using CSS attr and content for Tooltips
I've found myself in love with CSS content and attr; I've recently written about how you can use the property and expression on a basic level, how you can implement CSS counters, and use for the sake of localization. I wanted to share...