It&#x27;s fairly straightforward to outline a set of heuristics to use that would trigger automatic reader mode, if you start by looking at the types of pages you&#x27;d expect it to work on (e.g., motherfuckingwebsite.com, cr.yp.to, etc) and work backwards.  The hard part isn&#x27;t speccing it out or implementing it, it&#x27;s convincing Firefox or Chromium that it&#x27;s a worthwhile thing to roll into the browser.<p>I&#x27;ve been thinking about this exact thing every other day or so since Maciej Cegłowski&#x27;s slides[1] for his &quot;Website Obesity Crisis&quot; talk got posted here last month.<p>1. <a href="http:&#x2F;&#x2F;idlewords.com&#x2F;talks&#x2F;website_obesity.htm" rel="nofollow">http:&#x2F;&#x2F;idlewords.com&#x2F;talks&#x2F;website_obesity.htm</a>