
Fiber Internet
Speed Test
up to 5 Gbps
Measure multi-gigabit download, upload, latency and connection stability directly in your browser.
Built for today.
Ready for tomorrow.
The measurement workflow supports multi-gigabit throughput and provides the quality signals needed to understand modern fiber performance.
Up to 5 Gbps
Test ultra-fast fiber and enterprise connections.
Global coverage
Location-aware diagnostics and regional reports.
Advanced analytics
Detailed speed and connection-quality insights.
Smart recommendations
Practical suggestions based on your measurements.
What is a good fiber internet speed?
Fiber internet speed should be evaluated with both download and upload results. A fiber plan often provides high upstream capacity as well as fast downloads, but the measured result can still be limited by Wi-Fi, the device, browser processing, Ethernet port speed or network congestion.
Run the fiber speed test on a wired connection when possible, pause large transfers and repeat the measurement at different times. Compare the result with the speed promised by your plan, then use the advertised speed check to calculate the delivered percentage.
A single result is a snapshot, not proof of typical service. If throughput looks normal but calls or games are unstable, inspect latency, jitter and packet loss with the network quality test. For connections beyond the 5 Gbps scale, use the 10 Gbps speed test.