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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
A speed test for internet connections evaluates both the quality and speed of your device's internet access. It accomplishes this by executing a series of tests that examine various elements of the connection, including latency (ping), download speed, and upload speed. Each of these metrics provides insight into the specific characteristics of your internet service, which will be elaborated on in the following paragraph. Understanding these values can help you interpret the overall results from the test. However, prior to diving into those specifics, it's essential to outline the testing methodology. The download speed assessment involves establishing multiple connections to a server and initiating the download of a substantial data file across all of them simultaneously. This method effectively utilizes the full capacity of the internet connection, allowing for an accurate measurement of maximum data throughput. By tracking the data transfer over time, you can determine the available speed for downloading content. Ultimately, knowing how each component of the test works can enhance your comprehension of your internet performance.
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
$3.99 one-time payment
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
Speedcheck
Country
Germany
Website
www.speedcheck.org