If you use Duckduckgo as your primary search engine, you just need to write `!hn <search terms>` in the address bar to search HN. You could also set it up manua

If you use Duckduckgo as your primary search engine, you just need to write `!hn <search terms>` in the address bar to search HN. You could also set it up manually by adding a bookmark with %s as the search term and hn as the keyword.