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Real Internet Speed Test

Accurate download, upload, and latency measurement using HTML5 technology.

Ready to test
0.0 Mbps
Ping
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Jitter
- ms
Download
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Upload
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Test transfers approx. 15-30MB total to calculate throughput.

Real DNS Benchmark

Compare resolution times using secure DNS-over-HTTPS (DoH) API calls.

Improve Privacy & DNS Security

A VPN encrypts DNS requests, prevents ISP tracking, and secures your data on public Wi-Fi.

šŸ›” Try NordVPN

Wi-Fi Optimization Toolkit

Essential software to diagnose signal strength, analyze channels, and boost performance.

NetSpot

Professional Wi-Fi site surveys, analysis, and troubleshooting. Create heatmaps to find dead zones and interference.

Windows macOS Android
Download NetSpot

WiFi Analyzer

Identifies the best channel for your router by visualizing surrounding networks. Perfect for reducing channel overlap.

Windows 10/11 Android
Get WiFi Analyzer

Acrylic Wi-Fi

Advanced Wi-Fi scanner that displays information about 802.11ax/ac networks and security configurations.

Windows
Download Acrylic

Understanding Download vs. Upload Speed

Download speed refers to how fast your connection can pull data from the internet (watching Netflix, downloading files, browsing web pages).

Upload speed is the opposite: it's how fast you can send data out (posting to social media, sending emails, or video calling on Zoom).

Most home connections (DSL, Cable) are asymmetric, meaning download speeds are significantly higher than upload speeds. This is designed for typical consumers who consume more data than they create. Fiber optic connections often offer symmetric speeds.

How Our Upload Test Works

Our tool generates a randomized 5MB data blob in your browser's memory and pushes it to a high-speed endpoint using a POST request. By timing how long the server takes to receive the final byte, we calculate your real-world upload capacity. This methodology provides a critical benchmark for streamers, content creators, and remote workers.

Frequently Asked Questions

Common questions about speed testing and network optimization.

Why is my internet slower than advertised?
Advertised speeds are usually "up to" maximums over a wired Ethernet connection. Wi-Fi interference, router distance, old hardware, and network congestion during peak hours (7 PM - 11 PM) can all significantly lower your actual speed.
What is a good Ping (Latency) for gaming?
  • 0-20ms: Excellent. Pro-level gaming.
  • 20-50ms: Good. Standard for most gamers.
  • 50-100ms: Fair. Playable but may feel sluggish.
  • 100ms+: Poor. Noticeable lag will occur in fast-paced games.
Does changing DNS speed up internet?
Technically, no. Changing DNS does not increase your bandwidth (download speed). However, it can make browsing feel snappier by resolving website names faster, and it can bypass ISP blocks or throttling on certain sites.
What is the difference between Mbps and MB/s?
ISPs sell speeds in Megabits (Mbps), but file downloads are shown in Megabytes (MB/s). There are 8 bits in 1 byte. So, if you have a 100 Mbps connection, your maximum download rate is 12.5 MB/s.