Add a custom search engine to the list of available search engines in Firefox
Why do you think that https://github.com/sblask-webextensions/webextension-skip-redirect is a good alternative to add-custom-search-engine
Add a custom search engine to the list of available search engines in Firefox
Why do you think that https://github.com/sblask-webextensions/webextension-skip-redirect is a good alternative to add-custom-search-engine