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Description
SpeedOf.Me has measured internet speed in the browser since December 2011, when it shipped as the first HTML5 speed test. It reports download, upload, latency and jitter and plots them live as the test runs, with no app, plugin or download, on desktops, phones, tablets, game consoles, smart TVs and cars.
The method is deliberate: one stream, from the browser, to neutral third-party CDN edge servers in more than 130 locations, over the same open-internet path your browsing and video already take. Tests that hit a server inside your own provider's network with many parallel streams report a best-case peak instead. That number is called Real-World Speed, and because the method has not changed since 2011 the figures stay comparable year over year.
Developers can run the same engine themselves. Drop in api.js, set an account key and domain, call SomApi.startTest(), and results return through callbacks, white-labelled, with nothing to host. Examples ship for vanilla JavaScript, React, Vue, Angular, React Native, Electron, Flutter, iOS, macOS, Android and Windows, and the portal reports calls, geography, device mix and speed trends.
AI agents get the same access through @speedofme/mcp, one npm package that is a Model Context Protocol server, a CLI and a Node SDK, working with Claude, Cursor, Windsurf, Zed, VS Code, Cline, Continue, JetBrains and Goose.
The Internet Speed Atlas aggregates millions of anonymised tests into real-world figures for 119 countries.
Description
Evaluate the bandwidth of your ADSL, xDSL, cable, optical fiber, or satellite broadband connection with our speed test. This tool employs a specialized algorithm that enables precise measurement of download and upload speeds, as well as connection latency. nPerf utilizes a global network of dedicated servers, optimized to provide sufficient bitrate to fully utilize your connection, ensuring accurate bitrate assessment. It is compatible with various broadband and mobile connections, including ADSL, VDSL, cable, FTTH/FTTB optical fiber, satellite, WiFi, WiMax, and cellular networks like 2G, 3G, 4G (LTE), and 5G. Designed by telecommunications enthusiasts, the nPerf speed test allows you to quickly and effectively gauge your Internet speed with just a single click, and best of all, it is completely free of advertisements! Additionally, it measures the time a small data packet takes for a round trip between your device and the nPerf server, with shorter delays indicating a more responsive connection. The user-friendly interface ensures that anyone can perform the test effortlessly and understand the results with ease.
API Access
Has API
API Access
Has API
Integrations
Claude
Claude Code
Cursor
Visual Studio Code
Pricing Details
Free
The speed test on our website is free for everyone: no account, no app, no limits.
The Speed Test API is a paid product with a free 30-day trial and no credit card required. Current plans, included test volumes and per-test rates are listed under Plans and Pricing on the Speed Test API page of our website (/api). Every paid plan includes technical support, the analytics dashboard, and the MCP server, CLI and SDK at no extra cost. Cancel any time.
The Speed Test API is a paid product with a free 30-day trial and no credit card required. Current plans, included test volumes and per-test rates are listed under Plans and Pricing on the Speed Test API page of our website (/api). Every paid plan includes technical support, the analytics dashboard, and the MCP server, CLI and SDK at no extra cost. Cancel any time.
Free Trial
Free Version
Pricing Details
No price information available.
Free Trial
Free Version
Deployment
Web-Based
On-Premises
iPhone App
iPad App
Android App
Windows
Mac
Linux
Chromebook
Deployment
Web-Based
On-Premises
iPhone App
iPad App
Android App
Windows
Mac
Linux
Chromebook
Customer Support
Business Hours
Live Rep (24/7)
Online Support
Customer Support
Business Hours
Live Rep (24/7)
Online Support
Types of Training
Training Docs
Webinars
Live Training (Online)
In Person
Types of Training
Training Docs
Webinars
Live Training (Online)
In Person
Vendor Details
Company Name
SpeedOf.Me
Founded
2011
Country
United States
Website
speedof.me/
Vendor Details
Company Name
nPerf
Country
France
Website
www.nperf.com/en/