How to Check If Your ISP Is Throttling Your Speed

Q: What should I do if results are bad?

Start by restarting your router , then check our slow WiFi troubleshooting guide .

by Tommy N. Updated Apr 12, 2026

Test whether your internet provider is throttling your connection with these methods. This tool helps you diagnose, monitor, and optimize your network connection. For reference, see Cloudflare DNS Guide.

Figure 1 — How to Check If Your ISP Is Throttling Your Speed

How to Use This Tool

Open the tool — access it from the link or instructions below.
Run the test/scan — click the start button and wait for results.
Interpret results — compare your results to the expected values below.
Take action — use the troubleshooting tips if results are abnormal.

Understanding Your Results

Result	Good	Action Needed
Speed	Within 80% of plan speed	Fix slow WiFi
Latency	Under 50ms	Change WiFi channel
Packet Loss	0%	Check cables, restart router

Video Tutorial

Related Guides

Pro Tip: Always test with Ethernet first to establish your baseline speed before troubleshooting WiFi performance.

Key Takeaways

Test from multiple devices for accurate results
Run tests at different times of day to spot patterns
Use Ethernet to establish your baseline speed
Compare results to your ISP plan speed to verify you're getting what you pay for

Frequently Asked Questions

How accurate are online network tools?

Online tools provide a good estimate but results can vary based on server location and network conditions. Run multiple tests for best accuracy.

How often should I test my network?

Test monthly or whenever you notice performance issues. It helps establish a baseline for your connection.

What should I do if results are bad?

Start by restarting your router, then check our slow WiFi troubleshooting guide.

About Tommy N.

Tommy is the founder of RouterHax and a network engineer with 10+ years of experience in home and enterprise networking. He specializes in router configuration, WiFi optimization, and network security. When not writing guides, he's testing the latest mesh WiFi systems and helping readers troubleshoot their home networks.