Chrome automatically adds sites if they have an OpenSearch description document: https://www.chromium.org/tab-to-search https://www.chromium.org/tab-to-search

Chrome automatically adds sites if they have an OpenSearch description document: https://www.chromium.org/tab-to-search https://www.chromium.org/tab-to-search Firefox requires the user to add the search engine manually: https://support.mozilla.org/en-US/kb/add-or-remove-search-engine-firefox https://support.mozilla.org/en-US/kb/add-or-remove-search-en...