Browser Status
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Reported by
navigator.onLineWhat this page can measure
Browsers do not expose your router model, Wi-Fi channel, local or public IP address, connected devices, DNS server, packet loss, or router temperature. SpekCheck shows only browser-provided connection estimates and a same-origin request timing.
Live Browser Signals
Effective Connection
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Browser estimate; not your Wi-Fi standard
Estimated Downlink
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Rounded browser estimate, not a speed test
Estimated Round Trip
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Rounded browser estimate
Data Saver
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Whether reduced-data mode is requested
Median Site Request
Not run
Three small requests to this site; not internet-wide ping
Measure This Site
Times three small, uncached requests to this site's robots.txt file and reports the median. Results include DNS, connection, server, transfer, and browser overhead; they are not ICMP ping measurements.
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API Availability
Network Information API
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Connection estimates are not supported in every browser. Unsupported values remain explicitly unavailable rather than being inferred or simulated.