Is this about the new website translation feature in Firefox 119? *https://support.mozilla.org/en-US/kb/website-translation Some websites detect your current location and automatically serve you pages in the local language. If this persists after returning to an English speaking location, try to clear the cache and cookies and also make sure that bookmarks do not have the language code in the URL. Did you try to use the language selector on the webpage to change the language? Clear the Cache and remove the Cookies for websites that cause problems via the "3-bar" Firefox menu button (Settings) or click the padlock icon (Clear cookies and site data) for the domain in the selected tab. "Remove the Cookies" for websites that cause problems: *Settings -> Privacy & Security<br>Cookies and Site Data: "Manage Data" "Clear the Cache": *Settings -> Privacy & Security<br>Cookies and Site Data -> Clear Data -> [X] Cached Web Content -> Clear *https://support.mozilla.org/en-US/kb/clear-cookies-and-site-data-firefox *https://support.mozilla.org/en-US/kb/how-clear-firefox-cache