There are lots of ways you can contribute to the Mozilla Developer Network, and some of them do not even require writing text. Here you'll find a great guide to the kinds of things you do to make MDN better, as well as links to lists of specific tasks that need to be taken care of. Whether you're a casual programmer, a core Firefox developer, or one of those Web developers with a million followers on Twitter, you'll find a way to help.
- Adding and updating code samples
- As a Web site whose primary aim is to provide documentation for developers, sample code is a vital part of what we do. Adding or enhancing sample code is a great way to help our readers—and a fantastic way to contribute if you're more a programmer than writer!
- Adding or updating tags
- Page tags help categorize and organize information, and help us identify pages that need special attention. Tags are also used to mark pages that are obsolete and may need to be deprecated or even deleted. It's incredibly useful to have good, clean tags on pages, and you can help!
- Adding special notices
- Sometimes, an article needs a special notice added to it. This might happen if the page covers obsolete technology, or if it's about something experimental that shouldn't be used in production code. This article covers the most common such cases and what to do.
- Among the easiest things you can do to help is copy-edit existing content. If you see something wrong, fix it!