Internet Speed Test: How to Check Your Real Speed & What the Numbers Mean
How Internet Speed Tests Work
Internet speed tests measure the speed of your connection by transferring data between your device and a test server. The process typically involves three phases:
Ping Test (Latency)
A small packet is sent to the server and back. The round-trip time in milliseconds (ms) measures your connection's latency — how quickly data travels.
Download Test
Multiple data streams are downloaded from the server to your device. The test measures how quickly your connection can receive data in Mbps (megabits per second).
Upload Test
Data is sent from your device to the server. This measures how quickly your connection can send data, also in Mbps. Upload speeds are typically lower than download.
Our Speed Test tool performs all three measurements with servers optimized for accuracy.
Understanding Speed Test Results
| Metric | What It Measures | Good Range |
|---|---|---|
| Download Speed | How fast data comes TO you | 50+ Mbps (home), 100+ Mbps (fiber) |
| Upload Speed | How fast data goes FROM you | 10+ Mbps (home), 50+ Mbps (fiber) |
| Ping/Latency | Round-trip delay | Under 20ms (excellent), under 50ms (good) |
| Jitter | Variation in latency | Under 10ms |
How to Run an Accurate Speed Test
To get the most accurate speed test results, follow these guidelines:
- Use a wired Ethernet connection — WiFi speeds can be 30-50% slower due to interference and distance
- Close all other apps and downloads — Background activity consumes bandwidth and skews results
- Test at different times — Speeds vary by time of day due to network congestion
- Restart your router first — Clear any cached connections and start fresh
- Test multiple times — Run 3-5 tests and average the results for reliability
Run a speed test now using our free tool.
What Is a Good Internet Speed?
"Good" depends on what you use the internet for:
Why Your Internet Is Slow & How to Fix It
Frequently Asked Questions
See the FAQ section above for answers to common questions about internet speed testing.
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Frequently Asked Questions
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