Client Hints Check
Check whether client hints line up with browser and OS claims.
Run this tool
Input or start condition: The low-risk current browser or connection check loads automatically.
Accepted input or signal: Current browser capability, Submitted lookup target.
Possible output: Low-entropy browser client hints available locally and the safe client-hint subset received by the site.; Consistency between browser, platform, architecture, and mobile claims where values are available.
Key limitation: Privacy modes, proxies, older browsers, and enterprise settings can reduce or rewrite client hints.
What this checks
- Low-entropy browser client hints available locally and the safe client-hint subset received by the site.
- Consistency between browser, platform, architecture, and mobile claims where values are available.
How to interpret results
- Missing hints are supported outcomes because browsers expose different values based on policy and negotiation.
Common issues
- Privacy modes, proxies, older browsers, and enterprise settings can reduce or rewrite client hints.
Privacy note
Only the page's safe diagnostic values are displayed; raw client hints and high-entropy values are excluded from analytics.