Not quite what you're asking for, but if your device's browser doesn't have a "reader mode" there are sites like this one which can help: https://clearthis.pag

Not quite what you're asking for, but if your device's browser doesn't have a "reader mode" there are sites like this one which can help: https://clearthis.page/?u=http://fweet.org/ https://clearthis.page/?u=http://fweet.org/ (Not affiliated with either site, and haven't done due diligence on clearthis - was just first site I found which appeared to behave as expected)