Styling Based on Scroll Position
Styling Based on Scroll Position

<![CDATA[ ]]> Share this: Rik Schennink documents a system for being able to write CSS selectors that style a page when it has scrolled to a certain point. If you’re like me, you’re already on the lookout for document.addEventListener('scroll' ... and being terrified about performance. Rik gets to that right away by both debouncing the... » read more

The Bottleneck of the Web
The Bottleneck of the Web

<![CDATA[ ]]> Share this: Steve Souders, “JavaScript Dominates Browser CPU”: Ten years ago the network was the main bottleneck. Today, the main bottleneck is JavaScript. The amount of JavaScript on pages is growing rapidly (nearly 5x in the last 7 years). In order to keep pages rendering and feeling fast, we need to focus on... » read more