Either way the conclusion is the same: websites should have a minimum margin! I'm sure the author of the website is receptive to this feedback, so I sent an ema

Either way the conclusion is the same: websites should have a minimum margin! I'm sure the author of the website is receptive to this feedback, so I sent an email. Also, Firefox (and Safari on iOS) should have "view text-optimised version" button in the URL, maybe that would help you here? I don't know if other browsers have it though.