While bookmark keywords with custom javascript are more versatile, Banger is easier to configure and, without having to query from DuckDuckGo, runs fairly fast!

A little more boilerplate than adding a browser search engine, but so much more powerful.

You can override other search engine's centralised and often arbitrary bangs with your own to form complex queries, for any domains that can interpret queries in the address bar.

Has an unfortunate tendency to run *very* slow