[mark_story]

Interesting, I've never seen this mode of firefox before. I checked a few other sites and they also had a 'Failed to load article from page' error. Do you have a link for a site that does work?

[bambax]

It usually works. Here's the 3rd link from HN home page right now for example

    about:reader?url=https://monicalent.com/blog/2019/06/03/absolute-truths-unlearned-as-junior-developer/