Speedtest¶
Measure your internet connection speed against a server inside the TUKE network.
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No installation
Runs straight in the browser. No app or plugin needed.
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No login
You need neither a TUKE ID nor any registration.
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Local server
Measures against a server in Košice, not halfway across Europe.
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Available anywhere
Works from the TUKE network and from home, without VPN.
Two ways to measure¶
Both measure against TUKE infrastructure. The university also runs its own server on the Ookla network.
| TUKE Speedtest | Speedtest.net | |
|---|---|---|
| Address | speedtest.tuke.sk | speedtest.net |
| Technology | OpenSpeedTest (HTML5) | Ookla |
| Server | Inside the TUKE network | "Technická univerzita v Košiciach" |
| Server selection | Not required | Usually happens automatically |
| Mobile app | No | Android, iOS |
| Measurement history | No | When signed in |
Which one should you use?
Both tests measure against TUKE infrastructure. You can use either one.
- speedtest.tuke.sk: if you would rather not deal with server selection or ads
- speedtest.net: if you want to measure from a mobile app or keep a history of measurements
On speedtest.net, check the selected server
Ookla picks a server by latency, so "Technická univerzita v Košiciach" is usually selected automatically. That is not guaranteed, though. From another location or provider it may pick a server in Bratislava or Vienna.
Check which server is selected before measuring. If it is a different one, click Change Server and search for Kosice or Technicka univerzita.
When comparing several measurements, they must use the same server. Otherwise the results are not comparable.
How to measure correctly¶
Prepare the connection¶
- Close other applications and tabs that transfer data
- Stop downloads, backups and sync (Nextcloud, OneDrive, Dropbox)
- Check that nobody else on the network is downloading or streaming
Disconnect VPN¶
A VPN routes traffic through another server and distorts the result. Unless you are specifically testing VPN speed, disconnect it.
Run the test¶
Open speedtest.tuke.sk and click the start button. The measurement takes a few dozen seconds.
Repeat the measurement¶
Run 2–3 measurements in a row and compare them. A single result can be affected by a random fluctuation.
Wi-Fi vs. cable
Over Wi-Fi you are measuring the wireless link, not the line itself. To find the real connection speed, plug in a cable.
What the results mean¶
| Metric | What it measures | Why it matters |
|---|---|---|
| Download | Download speed (Mbps) | Page loading, file downloads, streaming |
| Upload | Upload speed (Mbps) | Uploading to Datahosting, docker push, video calls |
| Ping | Network latency (ms) | Video calls, SSH, remote desktop, gaming |
| Jitter | Latency variation (ms) | Stability of calls and video |
Rough guidance¶
| Ping | Quality | What you notice |
|---|---|---|
| < 20 ms | Excellent | Remote desktop responds instantly |
| 20 – 50 ms | Good | Video calls work without issues |
| 50 – 100 ms | Average | Noticeable lag over SSH and RDP |
| > 100 ms | Poor | Choppy calls, uncomfortable remote work |
High jitter is worse than high ping
A steady 60 ms is better for a video call than 30 ms that jumps between 10 and 200 ms. If calls break up despite a "good" ping, look at jitter.
Common problems¶
The measured values are lower than my contract says
Most common causes:
- Wi-Fi: the wireless link is usually slower than the line. Test with a cable.
- An old router or a connection through a slow switch
- A busy network: other devices are downloading right now
- Browser limits: very fast links (above roughly 1 Gbps) may not be saturated by a browser
Results differ a lot between measurements
Fluctuation indicates an unstable connection. Take 3 measurements a few minutes apart and note the range of values and include it when reporting the problem.
The test is slow but other sites load quickly
You are measuring the path to one specific server. If speedtest.tuke.sk is slow while the rest of the internet is fast, the problem may be on the route between your provider and TUKE. Report it to support along with your measurement.
My results are much worse over VPN
This is expected behaviour, because traffic goes through the VPN gateway and is encrypted. For the real line speed, disconnect the VPN.
Reporting a speed problem¶
If your connection to TUKE services is persistently slow, write to support and include your measurement results:
| Detail | Example |
|---|---|
| Where you measured from | Home / dormitory / workplace |
| Connection type | Wi-Fi / cable |
| Provider | If measuring outside TUKE |
| Test used | speedtest.tuke.sk, or speedtest.net + server name |
| Download / Upload | 85 / 42 Mbps |
| Ping / Jitter | 24 ms / 8 ms |
| Time of measurement | 1 August 2026, 14:30 |