What Is the Cloudflare Speed Test?
The Cloudflare Speed Test measures latency, jitter, and throughput from Cloudflare’s global CDN edge. Because it runs from a nearby data center, it provides stable, geographically accurate results.
Why Cloudflare’s Edge Testing Matters
- Leverages Cloudflare’s global network for low-latency measurements.
- Visualizes routing behavior and packet loss for advanced diagnostics.
- 100% browser-based — no app installation required.
How to Run a Cloudflare Speed Test
- Open .
- Start the test to measure download, upload, and latency.
- Compare results with your local ISP test for a complete view.
Understanding the Metrics
- Download throughput: speed for streaming and browsing.
- Upload throughput: speed for backups, sharing, and conferencing.
- Jitter: variation in latency; lower is better.
- Latency: responsiveness; below 50 ms is ideal for gaming.
Tips for Accurate Cloudflare Speed Results
- Close background downloads and streaming apps.
- Use wired Ethernet where possible.
- Run tests at multiple times of day.
- Test on more than one device to rule out Wi‑Fi issues.
Cloudflare Speed Test — FAQ
Is Cloudflare’s test better than ISP tests?
It complements ISP tests by measuring edge performance to CDNs. Using both reveals local vs global bottlenecks.
Can I use the results to fix slow websites?
Yes. Developers can compare latency paths, evaluate CDN routing, and identify packet loss for targeted optimizations.
Does it work on mobile?
Yes — it’s fully browser-based and mobile friendly.
Run your Cloudflare speed test now on SpeedTrest.