Internet Speed Test
Check your WiFi speed, broadband speed, and mobile connection in seconds. Fast, free, and accurate.
Start Speed Test
Internet — Speed Test
Free Network Tools
Explore our suite of free tools to diagnose, test, and secure your connection.
How It Works
Our speed test measures your real internet performance in three simple steps.
Ping (Latency)
Ping measures how quickly your device communicates with a server. Lower ping means a more responsive connection.
Download Speed
Download speed determines how fast you can load websites, stream video, and download files.
Upload Speed
Upload speed affects how fast you can send files, share photos, and stream live video.
WiFi vs. Wired
WiFi speeds are often slower than ethernet due to signal interference and distance from router.
Common Speed Issues
Having slow internet? Here are some common causes and fixes.
Slow WiFi
Try restarting your router and moving closer to it.
Bad Router Placement
Place your router in a central, elevated location.
ISP Congestion
Internet can slow during peak hours. Contact your ISP if speeds are consistently low.
Too Many Devices
Each device shares your bandwidth. Disconnect unused devices.
Weak Mobile Signal
Move to an area with better cellular coverage.
What Is a WiFi Speed Test?
A WiFi speed test checks how fast your wireless connection handles download, upload, and ping. Running the test at different times helps you spot congestion and inconsistent performance.
How Internet Speed Is Measured
Internet speed is measured in Mbps. Tests calculate download and upload throughput by moving data to and from a nearby server, while ping measures response time in milliseconds.
Download, Upload, and Ping Explained
Download Speed
How fast you receive data for browsing, streaming, and downloads.
Upload Speed
How fast you send data for calls, cloud backups, and live streaming.
Ping (Latency)
How responsive the connection feels, especially for gaming and real-time apps.
Why Speed Test Results May Vary
- Network congestion: Peak-hour traffic can reduce available bandwidth.
- WiFi interference: Walls, nearby networks, and devices can weaken the signal.
- Server distance: Closer test servers usually produce better results.
- Background activity: Other apps and devices can consume bandwidth during the test.
Tips to Improve Your WiFi Speed
Optimize router placement
Put the router in a central, elevated location.
Use 5GHz when possible
5GHz is usually faster at shorter range.
Update router firmware
Updates improve stability, performance, and security.
Reduce interference
Keep the router away from microwaves and Bluetooth-heavy areas.
When to Use Ethernet Instead of WiFi
- Online gaming: Lower latency and fewer random spikes.
- Video calls: More stable video and audio during important meetings.
- Large file transfers: Better consistency for uploads, backups, and downloads.
- Streaming and smart home gear: Reliable throughput for fixed devices.
Frequently Asked Questions
Get answers to common questions about internet speed testing.
What Is an Internet Speed Test?
An internet speed test measures how quickly data travels between your device and a remote server. It captures three core metrics: download speed (how fast you receive data), upload speed (how fast you send data), and ping (the round-trip time for a small packet, measured in milliseconds).
When you click "Start Test" on SwiftNetScan, the tool connects to the nearest available test server, exchanges data in both directions, and calculates your speeds from the real transfer measurements — not estimates. The entire process takes under 30 seconds.
Speed tests are useful for diagnosing slow connections, verifying that your ISP is delivering the speeds in your plan, comparing performance before and after changes (new router, switching WiFi bands, using Ethernet), and documenting evidence when contacting your ISP about persistent issues.
Streaming, browsing, downloads. Higher is better.
Video calls, backups, live streaming. Higher is better.
Gaming, calls, responsiveness. Lower is better.
Why Internet Speed Matters
Internet speed directly affects the quality of nearly everything you do online. A connection that's too slow creates friction at every turn — buffering video, laggy video calls, slow page loads, and failed downloads. Understanding your required speeds lets you choose the right plan and optimize your setup.
Sufficient for text-heavy sites. Modern media-rich pages benefit from more.
Netflix, YouTube, Disney+ all recommend 5 Mbps minimum for HD.
4K HDR content from Netflix or Disney+ recommends 25–50 Mbps.
Bandwidth is less critical than latency. Aim for ping under 50 ms.
HD video calls need symmetric bandwidth. Upload is as important as download.
Remote desktop, cloud apps, and large file transfers benefit greatly from faster speeds.
Multiple simultaneous streams, calls, and gaming sessions require substantial headroom.
For a deep dive into specific requirements, see our guides on internet speed for streaming and best speed for gaming.
How to Improve Your Internet Speed
Before upgrading your plan, try these steps — most are free and take under five minutes. They resolve the majority of slow-internet complaints.
Unplug both for 30 seconds. Plug modem in first, wait 60 sec, then router. This clears memory and refreshes your ISP connection.
A wired connection eliminates wireless interference and typically doubles real-world speeds. The single biggest free improvement most users can make.
Place your router elevated, centrally, away from walls and appliances. Every wall degrades WiFi signal by 30–50%.
The 5 GHz WiFi band is faster and less congested than 2.4 GHz. Connect nearby devices to 5 GHz for significantly better throughput.
Switch to Cloudflare (1.1.1.1) or Google (8.8.8.8) DNS. Faster DNS reduces the time to start loading each new website.
Cloud syncs, app updates, and torrent clients consume bandwidth invisibly. Close or pause them before speed-sensitive activities.
For the full breakdown of every method: How to Improve Internet Speed — 14 Proven Methods
Frequently Asked Questions
What is a good internet speed in 2026?+
How do I know if my internet is fast enough?+
Why is my internet speed lower than my plan?+
What is ping and why does it matter?+
How accurate are internet speed tests?+
Popular Internet Guides
Understand ping, latency, and how they affect gaming and calls.
Deep dive into the four types of network delay.
12 common causes — with a fix for each one.
14 proven methods, starting with the free ones.
Speed, latency, and security comparison.
Step-by-step troubleshooting guide.
What download, upload, and ping you actually need.
Netflix, YouTube, Disney+, and Twitch requirements.
10 problems with symptoms, causes, and fixes.
Methodology for getting reliable, repeatable results.
Speed Guides & Tips
Helpful articles to get the most from your internet connection.
SwiftNetScan