If Twitter doesn't work on Firefox, it can be caused by a number of reasons. Below are some suggested resolution steps designed to help you diagnose and resolve the issue: 1. **Check Network Connection**: - First, make sure your internet connection is working. You can enter other URLs in your browser to check if you can access them normally. 2. **Clear Browser Cache**: - Sometimes browser cache may cause page loading problems. You can try clearing the cache of Firefox and then reopen Twitter. - Open Firefox, click "Options" in the menu bar (or use the shortcut key Ctrl+Shift+P to open Preferences), select "Privacy & Security", and then click "Cookies & Site Data" under "Cookies & Site Data". Under "Cookies and Site Data", click "Clear Data", then restart your browser and try to open Twitter. 3. **Check and disable plug-ins or extensions**: - Some plug-ins or extensions may conflict with the Twitter page or Firefox. Please try disabling some plug-ins or extensions and then restart your browser to see if Twitter works properly. 4. **Update or reinstall Firefox**: - Make sure you are using the latest version of Firefox. If the browser version is too old, it may not be compatible with certain web pages or features. - If the problem persists after updating your browser, you can try uninstalling and reinstalling Firefox. 5. **Check browser settings and proxy settings**: - Check your browser settings to make sure they are properly configured with your network connection and proxy settings, etc. - If the system proxy is turned on, turn it off. You can do this by running Firefox, clicking Menu-Options-Advanced-Network-Settings, and then checking "Do not use proxies" and clicking OK. 6. **Check firewall or security software settings**: - Some firewalls or security software may prevent Twitter from running properly on Firefox. Please check the settings of your firewall or security software to ensure that Firefox and Twitter are allowed to run properly. 7. **Check system compatibility**: - In some system environments, there may be compatibility issues with Firefox. You may try opening Twitter on another browser to determine if this is a system compatibility issue. 8. **Seek community or official support**: - If none of the above methods solves the problem, you can try to seek help from Firefox's community forums or official support channels. Please follow the above steps and try them one by one, I believe you can find a way to solve the problem. Translated with DeepL.com (free version)