Internet Speed TestHow Fast IsYour Internet?
Measure your real download speed, upload speed, ping, jitter and latency under load in seconds — tested against the nearest of Cloudflare's data centres in more than 300 cities worldwide.
The full test adapts to your connection and can use several hundred MB on very fast lines. On mobile data, choose Quick test.
What your connection can handle
A true speed test, not a guess
Our speed test uses Cloudflare's open-source measurement engine and the same global network that powers speed.cloudflare.com.
Nearest server, automatically
Your browser connects to the closest Cloudflare data centre, so the result reflects your connection — not a congested server on the other side of the world.
Real files, real transfers
We download and upload real data in growing sizes, from 100 KB up to 250 MB, and stop as soon as your line is fully measured.
More than just speed
Besides download and upload, you see ping, jitter and latency under load — the numbers that decide whether video calls and games feel smooth.
What each number means
Download
How fast data reaches you, in megabits per second (Mbps). It matters for streaming, browsing and downloading files.
Upload
How fast you send data. It matters for video calls, live streaming, cloud backups and sending large files.
Ping (latency)
The round-trip time to the server in milliseconds. Lower is better — under 50 ms feels instant.
Jitter
How much your ping varies. High jitter makes calls choppy and games stutter, even on a fast line.
Latency under load
Your ping while the line is busy. A large increase, known as bufferbloat, causes lag when others use the connection.
How much speed do you need?
Typical minimums per activity for one person. Add them up for everyone using the connection at the same time.
| Activity | Download | Upload | Ping |
|---|---|---|---|
| Email, browsing & social media | 5 Mbps | 1 Mbps | < 150 ms |
| HD video streaming (1080p) | 5–10 Mbps | 1 Mbps | < 150 ms |
| 4K video streaming | 15–25 Mbps | 1 Mbps | < 150 ms |
| HD video calls (Zoom, Teams, Meet) | 3–4 Mbps | 3–4 Mbps | < 100 ms |
| Online gaming | 10–25 Mbps | 3 Mbps | < 50 ms |
| Live streaming to YouTube or Twitch (1080p) | 10 Mbps | 6–10 Mbps | < 100 ms |
| Working from home with several people | 50–100 Mbps | 10–20 Mbps | < 100 ms |
7 ways to improve your internet speed
- Test with a cable. Connect your computer to the router with an Ethernet cable to see the speed your provider actually delivers.
- Move closer to the router. Walls, floors and distance weaken Wi-Fi. Place the router centrally and in the open.
- Use the 5 GHz band. It is faster and less crowded than 2.4 GHz for devices close to the router.
- Restart your router. A restart clears memory and often fixes slow or unstable connections.
- Pause background downloads. Cloud backups, updates and streaming on other devices share the same line.
- Upgrade old equipment. An older router or Wi-Fi card can limit speed. Wi-Fi 6 or mesh systems help in larger homes.
- Talk to your provider. If results are consistently below your plan, share your test history with your internet provider.
Test any connection: Wi-Fi, 4G, 5G, broadband or fibre
The speed test works on any device and any network. Here is how to get a fair result on each type of connection.
Wi-Fi speed test
Run the test next to your router, then again in the rooms where you use the internet most. A big drop between rooms points to Wi-Fi coverage, not your provider — a mesh system or better router placement usually fixes it.
4G & 5G mobile speed test
Mobile speeds change with signal strength, location and how busy the mast is. Use the Quick test to save data, and test in a few places at different times of day to see your real coverage.
Broadband & fibre speed test
To check what your provider delivers, connect a computer to the router with an Ethernet cable and pause other devices. Compare the result with the speed in your contract.
| Connection type | Typical download | Typical upload | Typical ping |
|---|---|---|---|
| ADSL / copper broadband | 5–20 Mbps | 0.5–1 Mbps | 20–50 ms |
| Fibre to the cabinet (FTTC / VDSL) | 30–80 Mbps | 5–20 Mbps | 10–30 ms |
| Cable broadband | 100–1,000 Mbps | 10–100 Mbps | 10–30 ms |
| Full fibre (FTTP) | 100–2,000 Mbps | 50–1,000 Mbps | 5–15 ms |
| 4G mobile | 10–60 Mbps | 5–20 Mbps | 30–70 ms |
| 5G mobile | 100–500 Mbps | 10–60 Mbps | 15–40 ms |
Learn more about your internet speed
What is a good internet speed?
How much download, upload and ping you need for streaming, gaming, calls and working from home.
Read the guide →Why is my internet so slow?
12 practical fixes, from router placement and Wi-Fi channels to bufferbloat and VPNs.
Read the guide →Mbps vs MB/s explained
Why a 100 Mbps plan downloads at about 12 MB/s, and how long files really take to download.
Read the guide →Frequently asked questions
How accurate is this internet speed test?
The test uses Cloudflare's open-source speed test engine and measures against the nearest Cloudflare data centre. It transfers real data in increasing sizes and reports the 90th-percentile speed, so the result reflects the capacity of your connection rather than a single quick burst.
What is a good internet speed?
For most households, 25–50 Mbps download is enough for HD streaming and video calls, while 100 Mbps or more comfortably supports several people streaming in 4K and working from home. For gaming and calls, a ping under 50 ms and low jitter matter as much as raw speed.
Why is my speed lower than my internet plan?
Wi-Fi distance and interference, older devices, other people using the connection and busy evening hours can all reduce speed. Test with an Ethernet cable close to the router to see what your provider delivers, and run the test at different times of day.
What is the difference between download and upload speed?
Download speed is how quickly data reaches you — streaming, browsing and downloading. Upload speed is how quickly you send data — video calls, uploading videos and cloud backups. Most home connections have much faster download than upload.
What are ping and jitter?
Ping, or latency, is the time a small message takes to reach the server and come back, in milliseconds. Jitter is how much that time varies. Low ping and low jitter make games, video calls and remote desktops feel responsive.
Does the speed test work in the UK, USA, Europe and Pakistan?
Yes. Cloudflare operates data centres in more than 300 cities worldwide, and the test automatically connects to the one closest to you — whether you are in London, New York, Berlin or Lahore.
How much data does a speed test use?
The full test adapts to your connection: a slower line uses little data, while a very fast connection can use several hundred megabytes. The Quick test uses much less data and is recommended on mobile networks.
Do you store my results or IP address?
No. The test runs directly between your browser and Cloudflare's network. Your recent results are saved only in your own browser so you can compare them, and you can clear them at any time.
Should I test my speed on Wi-Fi or with a cable?
Test both. A wired Ethernet test shows the speed your provider delivers to your home, while a Wi-Fi test shows what your devices actually get. If Wi-Fi is much slower than the wired result, improve your Wi-Fi rather than upgrading your plan.
Can I test my 4G or 5G mobile internet speed?
Yes. Open this page on your phone with Wi-Fi switched off and run the Quick test, which uses less data. Mobile results vary with signal strength and how busy the network is, so test in a few locations.
Why does my speed test show Mbps but my downloads show MB/s?
Internet speed is measured in megabits per second (Mbps), while downloads are usually shown in megabytes per second (MB/s). One byte is eight bits, so divide by 8: a 100 Mbps connection downloads at up to about 12.5 MB/s.
Is your website as fast as your internet?
Diviners Digital builds fast websites, AI tools and SEO strategies for businesses in the UK, USA, Europe and Pakistan.
Measurements run between your browser and Cloudflare's global network using the open-source @cloudflare/speedtest engine (MIT licence). Diviners Digital is not affiliated with Cloudflare. Results depend on your device, Wi-Fi and network conditions at the time of testing.