The HTML Sanitizer API has a "built-in safe default configuration". This data might be useful to show to MDN users in a nicer representation than a JSON blob. I have an experimental Markdown representation of the data here: https://gist.github.com/evilpie/8c54c6d3c31447477189fc0891b67b7d

I really don't know where to put this and how to properly integrate this with the rest of the documentation. The Sanitizer API is shipping this week in Firefox. @hamishwillee I know you wrote a lot of the original documentation for the Sanitizer, is this something you could help me with?