Browser.ai
Persona Testing for Product Teams

See your product through their eyes

Simulate real user personas navigating your app. Find where they give up β€” before your users do.

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Live Analysis

Site Audit & Bug Hunter

Enter any URL and watch AI analyze your site in real time. Find friction points that frustrate your personas, your real users, and AI agents.

Agent-Ready Audit

Scores your site on 5 dimensions. These show how easily AI agents and humans with disabilities can navigate it:

  • Findability β€” Can elements be located by intent?
  • Stability β€” Do selectors survive DOM changes?
  • Accessibility β€” ARIA labels, semantic HTML, keyboard nav
  • Semantics β€” Meaningful structure for AI parsing
  • Overall Grade β€” A+ to F readiness score

Hunt Bugs

AI-powered bug detection that finds issues human testers miss. Explores your site like a real user and reports:

  • Broken Links β€” 404s, redirects, dead ends
  • Console Errors β€” JavaScript exceptions, failed requests
  • Accessibility Violations β€” WCAG issues on mobile and desktop, with severity
  • Visual Anomalies β€” Overlapping elements, broken layouts
  • UX Friction β€” Confusing flows, missing labels

The insight: Sites built for accessibility use clear structure, semantic HTML, and predictable patterns. These are the same sites AI agents navigate with ease. If it works for a screen reader, it works for an AI.

Cognitive Journeys

Watch Simulated Users Think Out Loud

Each persona navigates your site step-by-step, narrating their thought process. See where they hesitate, get confused, or give up entirely.

Why Teams Choose CBrowser

26 traits + 10 values

Cognitive Journeys

Watch simulated users navigate your site step-by-step, thinking out loud. Each persona has patience, frustration thresholds, and real abandonment behavior.

Learn more

Security-First

The First MCP Server That Takes Security Seriously

Constitutional AI safety, tool integrity checks, and full audit trails. Built for production environments where security matters.

  • Outbound Protection β€” 5-zone action classification blocks dangerous agent actions without approval.
  • Inbound Protection β€” Tool pinning and injection scanning block malicious MCP servers.
  • Full Audit Trail β€” Every tool call logged with session tracking and parameter redaction.
# Run a persona test β€” see your site through their eyes17 personas Β· $0.05/test Β· 60-second results
npx cbrowser cognitive-journey \
  --persona "first-time-user" \
  --start "https://your-app.com" \
  --goal "Complete the signup flow" \
  --output report.html
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See your product through their eyes

17 personas. $0.05 per test. Results in 60 seconds. Find where real users give up β€” before they actually do.