In 2018, we began contributing to ecosystem infrastructure for ARIA, the accessibility API for the web platform, with a project focused on regression testing for example patterns in the ARIA Practices Guide (APG). Since then, we’ve been working on writing new guidelines for the APG directly, which we continue to maintain with funding from Facebook […]

We’ve had a very productive year making web standards more open, predictable, and inclusive. As our standards liaison, my job is to spot opportunities for us to do that work externally, and to see where more support is needed. We still have a lot to do, but it’s nice to reflect on our accomplishments over […]

We are excited to announce support for report embedding on, along with a new MDN collaboration to bring up-to-date information about ECMAScript feature conformance to MDN Web Docs. Starting today, you can view test results from Test262 Report, updated daily and embedded directly on MDN pages for the newest ECMAScript features where interoperability and […]

Did you know that in the process of standardizing JavaScript, TC39 publishes notes for each of their regular meetings? Every other month, over 50 “delegates” convene to discuss the future of the language, and the minutes they publish provide an incredible view into their discussions. Here’s what you can expect to find: a list of […]


Introduction We’re excited to introduce sb-util, a new JavaScript library that makes it easy to query Scratch projects via .sb3 files. This npm library allows developers (or even teachers and students) to parse and introspect Scratch projects for a range of purposes, from data visualization to custom tooling. Previously, working with Scratch project files required […]

Next week is TPAC in Fukuoka, Japan. This is an annual conference for all working groups in the W3C to meet face-to-face. Naturally, there is a desire to have a record of what is said in these meetings. This is done by people in the meeting taking turns to scribe. Even if you have attended […]


One of the best parts of the Scratch community is the diversity of Scratch projects. Community members have used the Scratch programming language to create many different kinds of interactive applications, from full game engines to music sequencers. One genre is especially unique: Multiple Animator Projects, or MAPs. These Scratch projects compile animations from many […]

We believe that inclusivity and accessibility are of utmost importance to the open web platform. One of the ways that we empower the full diversity of Internet users is by ensuring that those with permanent disabilities and temporary limitations, can browse websites with assistive technologies. Writing accessible code improves the experience of browsing a website […]

The web-platform-tests project is a massive suite of tests (over one million in total) which verify that software (mostly web browsers) correctly implement web technologies. It’s as important as it is ambitious: the health of the web depends on a plurality of interoperable implementations. Although Bocoup has been contributing to the web-platform-tests, or “WPT,” for […]


Today, MDN announced their first-ever needs assessment survey for web developers and designers. The survey takes about 20 minutes and asks a variety of questions aimed at understanding the joys, frustrations, needs and wants of everyday web-makers. Mozilla have committed to making the results of the survey public later this year, and the survey itself […]