How accurate is SpeedTest Pro?
SpeedTest Pro uses Cloudflare's global edge network to provide highly accurate measurements. Results may vary slightly based on network conditions, device capabilities, and background processes. For best results, close other applications and connect via Ethernet.
What is a good internet speed?
For most households, 25-100 Mbps download speed is sufficient for streaming, browsing, and video calls. For 4K streaming, online gaming, and large file downloads, 100+ Mbps is recommended. Upload speeds of 10+ Mbps are ideal for video conferencing and content creation.
What is ping and why does it matter?
Ping (latency) measures the time it takes for data to travel from your device to a server and back, measured in milliseconds (ms). Lower ping is better - under 20ms is excellent, 20-50ms is good, and over 100ms may cause noticeable lag in gaming and video calls.
What is jitter?
Jitter measures the variation in ping over time. High jitter can cause lag spikes and inconsistent performance in real-time applications like gaming and VoIP calls. Lower jitter (under 10ms) means a more stable connection.
Why is my upload speed slower than download speed?
Most residential internet connections are asymmetric, meaning download speeds are prioritized over upload speeds. This is normal for cable, DSL, and many fiber plans. If you need symmetrical speeds, look for business-class or fiber-optic connections.
How often should I test my internet speed?
Test your speed monthly or whenever you notice performance issues. Testing at different times of day can help identify peak-hour slowdowns caused by network congestion.
Do I need to download anything?
No! SpeedTest Pro runs entirely in your browser. No plugins, extensions, or downloads required. Just open the website and click Start Test.
Is my data private?
Yes. SpeedTest Pro processes all test results locally in your browser. We don't store or share your personal data or test results. Your privacy is our priority.
Why do results differ from other speed tests?
Different speed test services use different servers, algorithms, and measurement methods. Results can also vary based on network conditions at the time of testing. We recommend testing multiple times for the most accurate picture.