Featured

Hacks Blog read more at hacks.mozilla.org

  • Upcoming notification permission changes in Firefox 72

    Earlier this year we decided to reduce the amount of unsolicited notification permission prompts people receive as they move around the web using the Firefox browser. This is an intrinsic part of Mozilla's commitment to putting people first when they are online. In preparation, we ran a series of studies ...

  • Announcing the Bytecode Alliance: Building a secure by default, composable future for WebAssembly

    Lin Clark introduces the Bytecode Alliance, and uses Code Cartoon illustrations to share their vision of a WebAssembly ecosystem that is secure by default, fixing cracks in today’s software foundations. Based on advances in the emerging WebAssembly community, founding members of the Alliance - Mozilla, Fastly, Intel, and Red Hat ...

  • Auditing For Accessibility Problems With Firefox Developer Tools

    In Firefox 70, the Accessibility Inspector has become an auditing facility to help identify and fix many common mistakes and practices that reduce site accessibility. In this post, Marco Zehe offers an overview of what is available in this latest release. The post Auditing For Accessibility Problems With Firefox Developer ...

  • From js13kGames to MozFest Arcade: A game dev Web Monetization story

    This is a case study in the making: how js13kGames, an online “code golf” competition for web game developers, tried out Web Monetization this year. And ended up at the Mozilla Festival, happening this week in London, demoing dozens of interesting web-monetized games. You can check out the MozFest Arcade ...

  • The two-value syntax of the CSS Display property

    The display CSS property is how we change the formatting context of an element and its children. One of the first things you will learn about CSS is that some elements are block by default, and others are inline. The display property enables switching between these states. With support currently ...

Help improve MDN

All parts of MDN (docs and the site itself) are created by an open community of developers. Please join us! Pick one of these ways to help: