Mozilla Developer

The Mozilla Community: how it started, how it evolved, and where it is going.

Laying out Forms using Subgrid

Firefox, Android, and Cross-browser Web Extensions in 2024

The Mozilla Community Call -May Edition - Data Usage

The MDN Curriculum: Better web developers for a better web - Feb. 4, 2024

Debugging HTTP/3 upload speed in Firefox - February 4, 2024

Discover the wonderful ways in which the Mozilla Community is using Hubs!

Over a decade of anti-tracking work at Mozilla

New CSS for Styling Underlines on the Web

Keep Track of Changes to CSS You've Made in DevTools

Introducing the llamafile project

MDN Community Call - August 15, 2023

Transparency and Safety in AI

Power profiling my entire house with the Firefox Profiler - February 4, 2024

The Road to Intl.MessageFormat

Jailbreaking LLMs - Prompt Injection and LLM Security

Inspecting the CSS Cascade using Firefox DevTools

How do you wrap long words in CSS?

Edit your CSS Shapes with the Shape Path Editor

A universal data model for localizable messages - February 4, 2024

Explore Solo: Mozilla's No-Code AI Website Creator - Demo & Tutorial

Introducing the Solo Project

The Secret Button to get 3 Panels of Developer Tools — HTML + CSS + WAY MORE!

Firefox power profiling: a powerful visualization of web sustainability

Build a Classic Layout FAST in CSS Grid

Firefox, Android, and Cross-browser WebExtensions in 2024

Why are there Four Firefoxes?

Community Driven Data Collection and Consent in AI

An Inside Look at Firefox Translations

Community call - August 2024

Mozilla L10n Fireside Chat with Khan Academy & Code - May 29, 2024

Use new selectors responsibly with selector queries

Firefox: Good things come in .deb packages - February 4, 2024

Inner & Outer Values of the Display Property

Testing color contrast - Celebrating Global

Integrating LLMs: Intelligence is tricky

Localization Fireside Chat - April 29, 2024

Mozilla Community Call: EU Digital Services Act and eIDAS: what they are and why you should care.

Community call - September 2024

Firefox Font Editor — Advanced

Prototyping in the midst of rapid transition

Q&A - Continue + techfren

17-year journey of the Mozilla Support platform & its community - February 4, 2024

Open Source AI Definition Town Hall

Coding a Dark Mode for your Website

Testing Color Contrast & Simulating Color Blindness with the Firefox Accessibility Inspector

How to REVERT CSS — get back to default browser style

Don't Wait to Use Subgrid for Better Card Layouts

The Mozilla Community: how it started, how it evolved, and where it is going.

Pontoon - Mozilla’s Localization Platform Demo - June 27, 2024

Where do Browser Styles Come From?