Something I've wanted (which probably exists as an extension in Chrome?) for Google searches is a simple blacklist. Just a little button and confirmation next to a result, telling it to never show this blog-spam-ad-laden-SEO-mess of a page to me ever again. Maybe it's an uphill battle, but for some niche topics (like certain games) there are some sites I keep having to scroll past and sometimes accidentally click that are written in SEO-speak and say a lot without saying anything at all.