Jaki Typ Sieci Wykorzystujesz?
View your network connection type, effective speed estimate, and round-trip time — all detected locally via the Network Information API without any installation.
This tool reads network connection metadata via navigator.connection, including connection type (wifi, cellular, ethernet), effective type (4g, 3g, 2g), estimated downlink speed in Mbps, and round-trip time (RTT) in milliseconds.
The effective connection type (ECT) is determined by the browser based on recent network performance, not the physical connection type. A slow Wi-Fi connection may report as '2g' effective type.
Co Oznaczają Twoje Wyniki?
| Result | Range | Meaning |
|---|---|---|
| Dobrze | Effective type '4g', RTT under 100 ms | Your connection is performing well with low latency and high bandwidth. Suitable for streaming, video calls, and real-time applications. |
| Ostrzeżenie | Effective type '3g' or RTT 100–300 ms | Moderate connection quality. Web pages will load with noticeable delay and video may buffer. Adequate for basic browsing and messaging. |
| Słabo | Effective type '2g' or 'slow-2g', RTT above 300 ms | Very slow connection. Pages will take a long time to load, video streaming is not feasible, and real-time applications will not function properly. |
Typowe Problemy i Rozwiązania
Network info shows 'Not Supported' or is unavailable
The Network Information API is supported in Chrome and Edge on Android and desktop. Safari, Firefox, and iOS browsers do not support this API. There is no workaround for unsupported browsers.
Connection type shows 'wifi' but effective type shows '2g'
The effective type reflects actual network performance, not physical connection. Your Wi-Fi may have a weak signal, high congestion, or a slow internet plan. Try moving closer to your router or switching to a less congested channel.