http://nksecur5aoxbew7x4t2jebk7ordomil3a4xubeamno76zexicppwhiad.onion/advanced-security-guide.html
The more you change about your browser's behavior, the more you also single yourself out from the larger group. It won't necessarily deanonymize you, but may allow for correlation of activities. The Tor developers are highly skilled and changes have public review. There are specific design reasons for the choices that are default.