Sustained adaptive streams
Ready to test your current connectionPress GO to measure this device's current internet path
Full IP stays off shared linksDownload—Mbps
Upload—Mbps
Idle latency—ms
Jitter—ms
Loaded ↓—ms
Loaded ↑—ms
Public IPDetecting…Your internet providerLooking up…Detecting route…Automatic test serverCloudflare test edgeLowest-latency available routeDevice connectionCurrent device path
Client networkApproximate location unavailableDetecting route…Measurement destinationCloudflare test edgeThe remote server used for this test
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Free internet speed test.
Use SpeedTestOne to measure download speed, upload speed, ping and jitter in any modern browser—no app or account required.
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Understand your network speed test
Four numbers. One clear picture.
Speed alone does not tell the whole story. These measurements reveal how your connection will feel during everyday use.
Download speed
How quickly your device receives data. It matters most for video, browsing and downloads.
Higher is better · MbpsUpload speed
How quickly you send data. Important for video calls, cloud backups and live streaming.
Higher is better · MbpsPing
The round-trip response time. Low ping makes games and calls feel more immediate.
Lower is better · msJitter
How much latency changes between samples. Low jitter means a steadier connection.
Lower is better · msWhat can your connection handle?
Turn Mbps into real life.
Requirements vary by service and device. Use these practical ranges as a starting point, then watch for latency and stability too.
See the complete speed guide Measure your broadband bandwidthHD video5+ Mbps
4K streaming25+ Mbps
Online gamingLow ping matters
Busy household100+ Mbps
Connection clinic
All guides Fix it. Understand it. Improve it.
Troubleshooting · 8 min
Why is my internet slow? 10 checks that actually help
Find whether the bottleneck is your device, WiFi, router or provider.
Read guide WiFi · 7 minHow to improve WiFi speed and coverage at home
Practical router placement, band selection and interference fixes.
Read guide Buying guide · 6 minHow much internet speed do you really need?
Choose a sensible plan for streaming, work, games and family use.
Read guideCommon questions
Internet speed test FAQ
What is a good internet speed?
For one person, 25–50 Mbps is comfortable for browsing and HD streaming. Households with several users, 4K video or large downloads usually benefit from 100 Mbps or more.
Why is my WiFi speed lower than my plan?
WiFi adds distance, interference and device limitations between you and the router. Your advertised plan is normally the maximum speed to your router, not a guarantee for every wireless device.
How accurate is this network speed test?
The network speed test compares available authorized measurement nodes, uses the lowest-latency healthy route, and runs adaptive transfers plus latency checks while the line is busy. A global anycast edge is always available as fallback. Results can still vary by route, device and WiFi conditions, so repeat controlled tests when diagnosing a problem.
Does the test use data?
Yes. Measuring throughput requires transferring test data. A complete run adapts to the connection and is capped to avoid unlimited usage, but mobile-data users should still be mindful of their allowance.
Is this the Ookla speed test?
No. SpeedTestOne is an independent internet speed test and is not affiliated with Ookla or Speedtest.net. Company and product names belong to their respective owners.