Automatically compress images to your Pull Requests with this GitHub Action

The folks at Calibre have release a GitHub Action named “Image Actions” and I must say, it looks amazing insane: Image actions will automatically compress jpeg and png images in GitHub Pull Requests. Compression is fast, efficient and lossless Uses mozjpeg + libvips, the best image compression available Runs in GitHub Actions, so it’s visible […]

How Web Content Can Affect Power Usage

The Webkit blog, on how to optimize your pages so that they don’t drain the battery of your visitors their devices: Users spend a large proportion of their online time on mobile devices, and a significant fraction of the rest is users on untethered laptop computers. For both, battery life is critical. In this post, […]

Flipboard Engineering: 60fps on the mobile web

Since earlier this week Flipboard now is a website too. As they wanted to mimic their mobile apps, it would sport lots of animations. During their first tests, they found the DOM being too slow (although that’s not entirely true, see this video and its description for example). And then, an epiphany: Most modern mobile […]

Tools for image optimization

Where possible, it’s best to try automating image optimization so that it’s a first-class citizen in your build chain. To help, I thought I’d share some of the tools I use for this. Not only contains a list of grunt plugins one can use, but also a few command line and online tools. I’ve been […]