parts of faq WhySlow are incorrect
Most of this is wrong.
''There are some steps that individuals can take to improve their Tor performance. You can configure your Firefox to handle Tor better, you can use Polipo with Tor, or you can try upgrading to the latest version of Tor. If this works well, please help by documenting what you did, and letting us know about it.
Especially the links point to totally outdated advice.