There is in the sense that there are robust black lists you can put in your `/etc/hosts` file, but that only blocks known senders of advertisements. But how can

There is in the sense that there are robust black lists you can put in your `/etc/hosts` file, but that only blocks known senders of advertisements. But how can your OS know that this `div` is an ad and that one is content? Since the browser is the authority on what is rendered on a web page, it makes sense that it is the tool that should be utilized to block/hide rendered elements.