DuckDuckGo – two non-JavaScript versions of search results
If you want to add this as a search bar option in Firefox, you have to visit one of these pages <i>first</i> and then a green plus will appear in the search  bar menu to (for example) add DuckDuckGo Lite.  Then in settings you can also make it your new default.<p>[When did Firefox remove the option to just type in a URL for this?]