Project Quantum is a major rewrite of Firefox’s internals to make Firefox fast. We’re swapping in parts from our experimental browser, Servo, and making massive improvements to other parts of ...
The whole web at maximum FPS: How WebRender gets rid of jank – Mozilla Hacks - the Web developer blog
The Firefox Quantum release is getting close. It brings many performance improvements, including the super fast CSS engine that we brought over from Servo. But there’s another big piece of ...
Firefox OS, Animations & the Dark Cubic-Bezier of the Soul – Mozilla Hacks - the Web developer blog
I’ve been using Firefox OS daily for a couple of years now (wow, time flies!). While performance has steadily improved with efforts like Project Silk, I've often noticed delays in ...
A cartoon intro to WebAssembly – Mozilla Hacks - the Web developer blog
WebAssembly is a way of taking code written in programming languages other than JavaScript and running that code in the browser. So when people say that WebAssembly is fast, what ...
A few HTML tips – Mozilla Hacks - the Web developer blog
A while ago I wrote an article with some CSS tips, now it’s time to give some polish to our HTML! In this article I’ll share some tips and advice ...
Building the DOM faster: speculative parsing, async, defer and preload – Mozilla Hacks - the Web developer blog
In 2017, the toolbox for making sure your web page loads fast includes everything from minification and asset optimization to caching, CDNs, code splitting and tree shaking. Understanding what goes ...
WebAssembly Browser Preview – Mozilla Hacks - the Web developer blog
Since the last WebAssembly milestone we reached in March, we’ve been hard at work in the WebAssembly Community Group to define a standard and to implement that standard in our ...
Firefox's Major 'Nova' Redesign Officially Arrives in Nightly!
A Quantum Leap for the Web
Over the past year, our top priority for Firefox was the Electrolysis project to deliver a multi-process browsing experience to users…
The Baseline Interpreter: a faster JS interpreter in Firefox 70 – Mozilla Hacks - the Web developer blog
Modern web applications load and execute a lot more JavaScript code than they did just a few years ago. While JIT (just-in-time) compilers have been very successful in making JavaScript ...
WebAssembly’s post-MVP future: A cartoon skill tree – Mozilla Hacks - the Web developer blog
People have a misconception—they think that the WebAssembly that landed in browsers back in 2017—is the final version. In fact, we still have many use cases to unlock, from heavy-weight ...
Behind the Scenes Hardening Firefox with Claude Mythos Preview – Mozilla Hacks - the Web developer blog
New details about what we found, and how agentic harnesses are now able to reproduce real bugs and dismiss false positives.
I Tested EVERY Modern Browser UI to find the BEST
schalkneethling/css-benchpress
css-benchpress aims to help developers and tooling authors discover where CSS patterns become performance problems by growing realistic web-platform test cases until measurable regressions appear.
Multi-process Firefox brings 400-700% improvement in responsiveness | TechCrunch
Earlier this summer I wrote about Mozilla's efforts to rollout a multi-process architecture, codename Electrolysis, for Firefox. In the months since,
