A web page that shows you everything the browser told it without asking

15 hours ago

Your location is determined via IP lookup but only first and last octet are shown; no tracking, retention, or logging occurs.
Browser APIs provide device details (screen, language, fonts, etc.) openly; no exploits are used, highlighting design issues.
Font fingerprinting, known since 2010, makes browsers uniquely trackable across the web without cookies.
Canvas fingerprinting involves drawing hidden images to create identifiers; it's present but not used on this page.
Clipboard API allows reading copied content with user gesture; capability exists but not requested here.
Battery API was used for tracking until Firefox removed it; Chrome and Edge still expose it.
Logged-in detection via favicon URLs can identify user accounts on various sites without permission; not run here.
A unique barcode is computed from device data locally; it's not transmitted, making identical fingerprints unlikely.
Prose is hand-written and template-based, not generated by AI, ensuring accuracy and honesty.
Only two anonymous events are sent to the server; no data is retained beyond standard hosting logs.
No data is stored on your device (cookies, localStorage, etc.); page forgets you after closing.
This is Volume IV of a series, focusing on individual data, following global, city, and coordinates themes.

Hasty Briefsbeta