Based on the World Wide Web Consortium's Web Content Accessibility Guidelines, this toolkit ensures developers are creating accessible online content. The left-hand panel allows readers to quickly navigate through five sections, or users can browse across content using the search bar in the top-right corner. Of course, the Introduction section is a great place to begin. Here, readers will learn how to use the guide and find background information on the guide's creators, Access for all (a Swiss Foundation) and the Accessibility Alliance (a growing group of contributors and organizations who collaborated on the effort). Then, readers will want to explore the remaining sections: Setup (covering software and tools for accessibility), Knowledge (containing useful tips on visual elements, semantics, and coding), and Examples (templates and tests that users can implement). Finally, the Contribute section welcomes users to share their own knowledge and skills to improve the guide. Readers will also find social media channels linked here. Follow along on Twitter (@A11yDevGuide) and Facebook (@access4all), or stay tuned for upcoming "hackdays."