Recent Features
![5 Awesome New Mozilla Technologies You’ve Never Heard Of]()
5 Awesome New Mozilla Technologies You’ve Never Heard Of
My trip to Mozilla Summit 2013 was incredible. I've spent so much time focusing on my project that I had lost sight of all of the great work Mozillians were putting out. MozSummit provided the perfect reminder of how brilliant my colleagues are and how much...
![Page Visibility API]()
Page Visibility API
One event that's always been lacking within the document is a signal for when the user is looking at a given tab, or another tab. When does the user switch off our site to look at something else? When do they come back?
Incredible Demos
![GitHub-Style Sliding Links]()
GitHub-Style Sliding Links
GitHub seems to change a lot but not really change at all, if that makes any sense; the updates come often but are always fairly small. I spotted one of the most recent updates on the pull request page. Links to long branch...
![Simple Image Lazy Load and Fade]()
Simple Image Lazy Load and Fade
One of the quickest and easiest website performance optimizations is decreasing image loading. That means a variety of things, including minifying images with tools like ImageOptim and TinyPNG, using data URIs and sprites, and lazy loading images. It's a bit jarring when you're lazy loading images and they just...




