HTTP/2 push is tougher than I thought
"HTTP/2 push will solve that" is something I've heard a lot when it comes to page load performance problems, but I didn't know much about it, so I decided to dig in. HTTP/2 push is more complicated and low-level than I initially thought, but what really caught me off-guard is how inconsistent it is between browsers – I'd assumed it was a done deal & totally ready for production. This isn't an "HTT
ECMAScript modules in browsers
ES modules are now available in browsers! They're in… Safari 10.1. Chrome 61. Firefox 60. Edge 16. <script type="module"> import { addTextToBody } from './utils.mjs'; addTextToBody('Modules are pretty cool.'); </script> // utils.mjs export function addTextToBody(text) { const div = document.createElement('div'); div.textContent = text; document.body.appendChild(div); } Live demo. All you need is t
Fun hacks for faster content
Posted 06 December 2016 - Seems I'm finding everything "fun" right now A few weeks ago I was at Heathrow airport getting a bit of work done before a flight, and I noticed something odd about the performance of GitHub: It was quicker to open links in a new window than simply click them. Here's a video I took at the time: GitHub link click vs new tab Here I click a link, then paste the same link int
Service worker meeting notes - JakeArchibald.com
Posted 04 August 2016 - using my year's quota of bullets in one post On July 28th-29th we met up in the Mozilla offices in Toronto to discuss the core service worker spec. I'll try and cover the headlines here. Before I get stuck in to the meaty bits of the meeting, our intent here is to do what's best for developers and the future of the web, so if you disagree with any of this, please make your
The offline cookbook
Update: Together with Udacity I created a free offline-first interactive course. It involves taking an online-only site to full offline-first glory. Many of the patterns in this article are used. When AppCache arrived on the scene it gave us a couple of patterns to make content work offline. If those were the patterns you needed, congratulations, you won the AppCache lottery (the jackpot remains u
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