“Tip: If you want to check if a fingerprint may be created of your browser to track you online, check out this online test.
We talked about a fingerprinting technique using Canvas before and explained how companies make use of the feature supported by all modern web browsers to track users across the Internet.
Note: The new Poison Data option is not enabled by default in Pale Moon due to its impact on performance when Canvas is being used in the browser. Pale Moon users can enable it in the following way: [see www.ghacks.net.]”
Read the whole article and comments at www.ghacks.net.