Usually it is not a problem because text-block width is a fraction of total page width. The text has around newspaper-column number of characters in a row so th

Usually it is not a problem because text-block width is a fraction of total page width. The text has around newspaper-column number of characters in a row so the zoom hides navigation and advertisement and makes the page readable. The rest is fixed by "read later" button if content is worth it or "back" button if it is not.