BotBrowser Knowledge Hub — Page 14
Browse page 14 of BotBrowser articles on browser fingerprint protection, privacy signals, proxy consistency, and deployment.
fingerprint
WeakMap and WeakSet: What They Hold and What They Drop
One probe on fixed shapes: which keys a WeakMap accepts, why nothing can be counted, what a strong Map keeps alive, and what a weak collection cannot survive.
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Cloudflare Bot Score Evidence and Logs
Interpret Cloudflare Bot Score, Bot Management variables, and Logpush records without treating a score, challenge, or HTTP status as identity proof.
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FingerprintJS OSS: Collection and Visitor Provenance
Trace FingerprintJS OSS load(), source ordering, component errors, and lazy visitorId digest provenance without claiming a runtime detector result.
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Browser Cookie Management for Multi-Identity Workflows
How cookies carry session and consent state, why cookies added after page creation can miss the first request, and how to load a separate cookie set per identity at launch.
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Crypto Randomness Observability and Browser Fingerprints
Compare Web Crypto getRandomValues with crypto-js random generation using a reproducible fixture and privacy-bounded fingerprint observations.
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Frame Rate Fingerprinting: Refresh Rate and Video Timing
How requestAnimationFrame timing, display refresh rate, and video playback cadence work as fingerprint signals, and how BotBrowser sets display FPS and video FPS.
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Screen and Window Fingerprinting: Display Tracking
Distinguish screen, available area, window, layout viewport, visual viewport, zoom, and pixel density without treating display observations as proof of identity.
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Web Platform Tests for Browser Feature Confidence
Use Web Platform Tests, runtime checks, and bounded application assertions to build credible browser feature confidence.
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Clipboard API: Respect User Intent Before Reading
Design Clipboard API writes, reads, permissions, fallbacks, and privacy checks around an explicit user action rather than an invisible clipboard probe.
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CSS Highlight API Custom Paint and Accessibility
Use CSS Highlight API custom highlights with accessible text, bounded ranges, selection fallbacks, and a paint contract that does not hide meaning.
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Media Session API Controls and User Intent
Use Media Session metadata, action handlers, playback state, and accessible fallbacks without treating platform controls as proof of user intent.
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Payment Request API: Consent and Safe Fallbacks
Use PaymentRequest with explicit user activation, secure-context checks, cancellation handling, and a usable fallback without collecting payment credentials.
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