I use this script to hide domains I hate from search results: https://greasyfork.org/en/scripts/1682-google-hit-hider-by-domain-search-filter-block-sites https:

I use this script to hide domains I hate from search results: https://greasyfork.org/en/scripts/1682-google-hit-hider-by-domain-search-filter-block-sites https://greasyfork.org/en/scripts/1682-google-hit-hider-by-d... (Title is google, but works for ddg amongst other things also)