I just noticed that reader mode isn't always available in Firefox. I know there are hacks for this, and other plugins (not sure which I trust in this domain). But is/are there still any sites on-line that you can throw a web page at and have it be made more readable?
<a href="https://outline.com/" rel="nofollow">https://outline.com/</a><p>Afaik <a href="https://github.com/mozilla/readability" rel="nofollow">https://github.com/mozilla/readability</a> is what Firefox uses and that's where you can report websites who don't parse well.