This is a nice use of the Observable framework. Tbh I like, but I find the information difficult to read in a website organised this way when I'm used to dashboards.
Good work. There are some hardening options that you may be able to glean from ArkenFox [1] and Betterfox [2]. Another addon to consider listing is CSS Exfil protection [3a] CSS Exfil Test Site [3b].
https://news.ycombinator.com/item?id=45073746
I did my best to compile the comments into an easy to read follow-up post. I learned a lot in the process. Let me know what you think, thanks HN!