Mozilla Hacks is written for web developers, designers and everyone who builds for the Web. Hacks is produced by Mozilla's Developer Relations team and features hundreds of posts from Mozilla ...
Visit hacks.mozilla.org → RSS feedOn Hacker News May 2010 – May 2026
Web & Frontend 170Software Engineering 69Tools & Productivity 44Systems & Performance 35Tech Industry & Business 31Security & Privacy 19
Several recent articles on the Hacks blog explain why web developers should care about cross-browser compatibility and how great web developers achieve it. Web developers have a critical role in ...
Regular expressions – commonly known as RegExps – are a powerful and heavily used tool for manipulating strings in JavaScript. This post describes how we updated the RegExp engine in ...
Today we have made Firefox OS 2.5 available worldwide. We are also making an early, experimental build of the OS -- Firefox OS 2.5 Developer Preview -- available for developers ...
AV1 is a new general-purpose video codec developed by the Alliance for Open Media. The alliance began development of the new codec using Google’s VPX codecs, Cisco’s Thor codec, and ...
Download Firefox 6 What's new in Firefox 6? The most notable addition to this new release are the <progress> element, touch events, Server-Sent Events as well as the return of ...
We’re happy and proud to announce Open Web Docs, to support a community of technical writers that is open and inclusive for all.
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 ...
If you haven't tried the Firefox Developer Tools in the last 6 months, you owe it to yourself to take another look. Grab the latest Aurora browser, and start up ...
What's new in Aurora 6? The most notable addition to this new Aurora are the <progress> element, window.matchMedia API, better APIs for binary data, Server-Sent Events as well as the ...
Meet Fathom, a mini-language for writing semantic extractors, that you can use client- or server-side to extract meaning from the content of a web page. Scoop up all those ideas ...
2020 is upon us, folks. We'd like to wish everyone reading this a happy new year, wherever you are. As you take your first steps of the new year, figuring out what your next move is, you may find it comforting to know that there's a new Firefox release to try out! Version 72 to be exact.
As soon as the Boot to Gecko (B2G) project was announced in July 2011 I knew it something I wanted to contribute to. I'd already been working on the idea ...
Update: In addition to the Cordova integration described below, Firefox OS is now supported in the 3.5 release of Adobe PhoneGap. If you're already building apps with PhoneGap, you can ...
A web browser is a piece of software that loads remote files and displays them locally, allowing for user interaction. Quantum is the code name for an project we’ve undertaken ...
asm.js is an easy-to-optimize subset of JavaScript. It runs in all browsers without plugins, and is a good target for porting C/C++ codebases such as game engines - which have ...
CSS Flexbox is an increasingly popular layout model that helps in building robust dynamic page layouts. However, it has a big learning curve! The new Flexbox Inspector, created by Firefox ...
Firefox 93 comes with lots of lovely updates including AVIF image format support, filling of XFA-based forms in its PDF viewer and protection.
Streamlining our release process and quickly getting stable new features to users and developers is a priority for Firefox. Taking a close critical look at our release channels, it became ...
WebAssembly has begun to establish itself outside of the browser via dedicated runtimes like Mozilla’s Wasmtime and Fastly’s Lucet. While the promise of a new, universal format for programs is ...
Firefox 27 was just uplifted to the Aurora release channel which means we are back to report on new features in Firefox Developer Tools. Below are just some of the ...
Memory safety violations can cause programs to crash unexpectedly and can be exploited to alter intended behavior--languages can manage this multiple ways
The first HDMI streaming stick powered by Firefox OS has arrived. It’s called Matchstick and we’re looking for your help to create apps for this new device. Background Matchstick ...
FlyWeb is an experimental project we’ve been prototyping from within the depths of Mozilla’s platform division. It started as a side-project late last year, and since then a small, ad-hoc ...
This is the first in a series of posts published on or about the time a new Firefox version graduates from 'Nightly' status and becomes Firefox Aurora. We think that ...
CSS Grid is revolutionizing web design. It’s a flexible, simple design standard that can be used across all browsers and devices. That's why we built CSS Grid Inspector. We’ve been ...
The tools to get funded by the crowd should belong to the crowd. That's why I want to show you how to roll your own crowdfunding site, in less than ...
O hai pixel lovers! Check out this gorgeous CSS3 demo: Planetarium, by the LittleWorkshop team (@glecollinet & @whatthefranck). Screencast: Youtube link. Gorgeous Animations The principal feature show-cased in ...
Firefox 25 was just uplifted to the Aurora release channel which means we are back to report about new features in Firefox Developer Tools. Here's a summary of some of ...
Bitmovin and Mozilla, both members of the Alliance for Open Media (AOM), are partnering to bring AV1 playback with HTML5 to Firefox as the first browser to play AV1 MPEG-DASH/HLS ...
Music for me is not only part of my daily life, it is an essential part. It helps me concentrate, improves my mood, distracts me and/or helps me relax. This ...