http://uhwikizevog5aj4aiepeseafcxqamnzrpdmnnxaj7y2ek3am4vdoilqd.onion/index.php?title=Increase_anonymity_protection_with_SELinux
• Also, as suggested by lots of people here, turn off JavaScript and never use it while browsing through Tor.
• Disable all plugins and extensions. They might contain codes or bugs that can be used to reveal your identity.
• If you use Firefox for other purposes (eg. normal, clearnet browsing) on your system, make sure to have separate profiles for different use-cases to prevent Tor sites accessing your cookies and browsing history.