Security/Anonymous Browsing: Difference between revisions

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There are ways to [http://flippingtypical.com/ query fonts for existence] in JavaScript and CSS, but this issue is not really worth dealing with until the plugin problem is solved, or it is decided that non-compliant plugins should be disabled.
There are ways to [http://flippingtypical.com/ query fonts for existence] in JavaScript and CSS, but this issue is not really worth dealing with until the plugin problem is solved, or it is decided that non-compliant plugins should be disabled.


Long term, the best option would be to standardize on a small, common set of fonts for the mode that are typically available on all platforms, or simply set browser.display.use_document_fonts to 0.
Because of the issues with localization and finding a common set of default fonts, the best option here is probably to limit the number of local fonts a tab can load. Precedence can be given to remote font files so they do not count against this limit. Research should be performed to find the typical number of fonts loaded by the top 1000 sites and set the limit high enough not to break any of them.


==Clock Delta+Precision==
==Clock Delta+Precision==
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