Fix problems with websites (Facebook, YouTube, webmail etc.)

In English

• How to clear the Firefox cache
• Websites say cookies are blocked - Unblock them
• Fix problems with Facebook games, chat and more
• How do I use Facebook, Google, Twitter, and Youtube on Firefox OS?
• Websites don't load - troubleshoot and fix error messages
• Websites look wrong or appear differently than they should
• Fix login issues on websites that require a username and password
• Websites show a spinning wheel and never finish loading
• What to do when searches take you to the wrong search website