Browser-based test
Internet speed test
Check download speed, upload speed, ping, and jitter in one pass, then use focused guides to diagnose gaming lag, slow Wi-Fi, mobile data issues, and unstable video calls.
Test Your Internet Speed
Measure your connection's download speed, upload speed, and latency
For the most accurate results, close other apps and devices using your network
Browser-based spot check
The result reflects your device, browser, local network, and the route to the current hosted test endpoint.
Best for comparison work
Use it before and after changes like moving the router, switching to Ethernet, or pausing background traffic.
Not a certified audit
Results can differ from ISP marketing claims and other speed test providers because the infrastructure and method are different.
Read the result correctly
Treat this as a real-world check, not a perfect lab number. Browser tests are affected by Wi-Fi quality, device limits, background traffic, and how far your traffic travels to the current hosted test endpoint.
Choose the problem
Use the speed test for the issue you actually have
The raw result is only the first step. These guides turn the numbers into decisions for narrower, more actionable use cases.
WiFi speed test for gaming
Check whether ping, jitter, and upload are strong enough for competitive play and voice chat.
Internet speed test for streaming
Compare your result against HD and 4K streaming needs before blaming the TV or app.
Internet speed test for work from home
Use call-ready upload, ping, and jitter targets for Zoom, Meet, Teams, and remote desktops.
Why is my internet so slow?
Run the right tests first, then separate Wi-Fi issues from ISP-side slowdowns and congestion.
Wi-Fi vs Ethernet speed comparison
Compare the same line over wireless and wired connections to find the real bottleneck.
Mobile internet speed tests
Measure 5G or LTE properly, avoid Wi-Fi mix-ups, and judge whether your phone result is actually good.
Better measurements
How to get a cleaner speed test result
If you want useful numbers, control the obvious noise first. The most valuable comparison is usually Wi-Fi versus Ethernet on the same device.
Compare Wi-Fi and EthernetRead the numbers
Best next guides after the test finishes
These pages help you decide whether you are dealing with a weak Wi-Fi room, gaming latency, mobile data limits, or unstable video calls.
Understand speed test results
Learn what download, upload, ping, and jitter mean together instead of reading one number in isolation.
What is a good speed test result?
Match your result to realistic benchmarks for households, streaming, gaming, and uploads.
Stable video call results
Use practical upload and latency thresholds for Zoom, Meet, Teams, and other live calls.
Good speeds by activity
See how much download and upload you really need for browsing, backups, gaming, and streaming.
FAQ
What does this speed test measure?
It measures download speed, upload speed, ping, and jitter from your browser. It does not bypass the limits of your device, browser, Wi-Fi environment, or route to the test server.
What is a good speed test result?
For many homes, a useful baseline starts around 100 Mbps download, 10 Mbps upload, under 30 ms ping, and under 10 ms jitter.
Why can one test look good and another look bad?
Different tools use different servers and methodologies. Even on the same site, background traffic, Wi-Fi interference, router load, and peak-hour congestion can change the result.
Trust notes
SwiftSpeedTest is strongest as a fast troubleshooting tool: retest after router moves, compare Ethernet and Wi-Fi, or check whether gaming, streaming, and calls are suffering from low upload or unstable latency.
If you need a deeper explanation of methodology and limitations, read the how it works page before comparing this result against another testing service.