How to Test Your Internet Speed

Testing your internet speed measures your actual download and upload speeds versus what your internet service provider promises. This helps identify connection problems, verify you're getting what you pay for, and troubleshoot slow performance.

1. Close all background applications. Quit streaming services, cloud backups, video calls, and downloads. Press Ctrl+Shift+Esc on Windows or Command+Space then type Activity Monitor on Mac to check for bandwidth-heavy processes. Close any applications using significant network resources.
2. Connect directly to your router. Use an Ethernet cable to connect your computer directly to your router or modem. This eliminates Wi-Fi interference and provides the most accurate speed measurement. If testing Wi-Fi specifically, stay within 10 feet of your router.
3. Choose a speed testing service. Open your web browser and navigate to fast.com, speedtest.net, or speed.google.com. Fast.com uses Netflix servers and measures real-world streaming performance. Speedtest.net offers detailed metrics and server selection. Google's test integrates directly into search results.
4. Run the speed test. Click the Go, Start, or Begin button on your chosen testing service. The test measures ping (latency), download speed, and upload speed. Wait for all three measurements to complete without interrupting the process.
5. Record and repeat the test. Write down your ping, download speed, and upload speed results. Run the test three more times with 30-second breaks between each test. Calculate the average of all four results for accuracy.
6. Compare results to your plan. Check your internet bill or ISP website for your plan's advertised speeds. Your actual speeds should be within 80-90% of advertised speeds. Download speeds matter most for streaming and browsing, while upload speeds affect video calls and file sharing.
7. Document issues for your ISP. If speeds consistently fall below 80% of your plan, screenshot your test results including timestamps and server locations. Note any patterns like slower speeds during peak hours or specific devices experiencing issues.