betterbrowsing.org  ·  AppEsteem web-compliance test harness
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Request fingerprint

Shows every header, cookie, and IP-chain field the server received, plus client-side navigator properties. Compare what a real desktop browser exposes vs. an automation tool / Playwright-driven Chromium.

Server-side view

Fetches /fingerprint/data and renders the JSON:

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Client-side view (navigator)