Firefox is a web browser while Google in this case is a search engine. The company Mozilla does not have their own search engine service. Firefox comes with a number of search engines by default which can very a bit depending on the language locale of Firefox you install as Google is the default search engine on many of the locales. https://support.mozilla.org/en-US/kb/add-or-remove-search-engine-firefox https://support.mozilla.org/en-US/kb/change-your-default-search-settings-firefox Or perhaps you may want to change your Homepage in Firefox https://support.mozilla.org/en-US/kb/how-to-set-the-home-page