To enhance privacy and protect myself against fonts fingerprinting in Firefox, I have set in about:config:
browser.display.use_documents_fonts = 0. This setting is meant to disable websites' ability to detect installed fonts.
1, nearly 200 fonts are detected in the category
CSS+JS Quick Test. In the past, setting to
0 would show 0 Font detected. Now I have a new computer; even when
browser.display.use_documents_fonts = 0, there are still 5 fonts detected. These are the MingLiU fonts.
I can find these fonts in
C:\Windows\Fonts along with many other fonts. I have tried restarting Firefox with a completely fresh profile (no extensions or plugins, or other customization) and I observe the same behavior. I am running Firefox 41 on Windows 7 x64
My question is simple: why are these fonts still showing up when
browser.display.use_documents_fonts = 0? How can I prevent that from happening? I hope to find something short of deleting the fonts because I don't know whether an application needs them.