nodejs javascript html firefox security tracking chrome express privacy typescript browser cookie favicon safari fingerprint edge identification browser-fingerprinting browser-fingerprint supercookie
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Nov 18, 2025 - HTML
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supercookie
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An undeletable supercookie that lives in your GPU's cache
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Updated
Aug 17, 2026 - JavaScript
Go net/http middleware implementing the supercookie favicon-cache browser fingerprinting technique — identifies returning visitors without cookies or local storage.
go golang middleware tracking cache favicon fingerprinting browser-fingerprinting nethttp supercookie
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Jul 24, 2026 - Go
Educational evercookie demo showing how browser storage and HTTP cache techniques can persistently re-identify a visitor.
tracking service-worker etag browser-storage indexdb http-cache evercookie supercookie privacy-education web-privacy
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Updated
Jun 17, 2026 - JavaScript
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