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Downstream performance

Download Speed Test

Measure downstream bandwidth and turn Mbps into practical wait times for files, games, updates and media downloads.

Measured Mbps1 GB estimate10 GB estimate50 GB estimate
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Download Performance Test

Downstream throughput plus practical file-time estimates

Download performance
Ready—score / 100
Your download performance

Run a live test

Run the live measurement to evaluate downstream performance for files and media, with particular attention to sustained download throughput and practical file-time estimates.

No result yet. The live test uses Cloudflare measurement endpoints and interprets the same core metrics differently for this page’s user intent.
Download—Mbps
Upload—Mbps
Ping—ms
Jitter—ms
Loaded latency—ms

The live measurement connects directly to Cloudflare. Results are estimates and can change with Wi‑Fi, VPNs, device load, server routing and network conditions.

Make Mbps understandable

A raw speed number becomes more useful when you can see what it means for a 1 GB file, a game update or a very large download.

Servers can be the bottleneck

Real download time also depends on the remote server, routing, congestion and protocol overhead. The estimates assume the other end can keep up.

Streaming is a different question

A fast download result does not automatically guarantee stable playback. Use the Streaming test when buffering is the actual problem.

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Internet Speed Test

Overall internet health for everyday use.

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Broadband Speed Test

Household capacity and busy-network performance.

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Streaming Speed Test

Video quality, buffering risk and simultaneous streams.

Open test →
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Upload Speed Test

Creator uploads, cloud transfers and livestream headroom.

Open test →
YT

YouTube Speed Test

YouTube quality guidance and NextWatch AI Auto HD.

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All Speed Tests

Overall speed, stability and the full test family.

Open test →
How to use the result

What this test is actually checking

Focus of this test

This page interprets the live measurements for downstream performance for files and media. The result gives extra weight to sustained download throughput and practical file-time estimates instead of treating every connection problem as a simple download-speed issue.

If the result looks weak

Compare browser downloads, wired performance and peak/off-peak results before blaming a service or server. Run more than one test before drawing a conclusion because Wi-Fi conditions, local congestion, device capability and the remote network can all change a single measurement.

Use the result as a diagnosis, not a guarantee

A speed test is a snapshot of the path between your device and the measurement service. The actual app or service may use different servers and routes, so compare this diagnosis with the real activity you are trying to improve.