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About

SpeedOf.Me is a free, browser-based internet speed test that measures download, upload, latency and jitter on any device: desktop, mobile, tablet, game console, smart TV or car. No app, no plugin, no download. Launched in 2011 as the first HTML5 speed test, it runs a single stream from your browser to neutral CDN edge servers in 130+ locations, so the result reflects real browsing performance instead of a lab-style peak. We call it Real-World Speed. Developers can embed the same engine with the SpeedOf.Me API: a few lines of JavaScript, white-label, with callbacks for every metric and an analytics dashboard for usage, geography and devices. Ready-to-run examples cover React, Vue, Angular, Electron, Flutter, iOS, Android and more. An MCP server and CLI (@speedofme/mcp) let AI agents and CI pipelines run real speed tests. The Internet Speed Atlas publishes real-world averages for 119 countries.

About

SynTest is a cloud-based automated “Test and Learn” platform that helps organizations design, launch, and analyze in-market tests for marketing, advertising, and broader business strategies with speed, scale, and rigor. It enables users to build and execute experiments such as geo-tests for advertising effectiveness, new product tests, in-store pricing and promotion tests, and creative audience evaluations using guided, no-code workflows that go from data to decisions quickly. It applies the Nobel-recognized Synthetic Control methodology, which is designed to cope with noisy real-world test environments where ideal control groups are hard to find, and traditional methods are limited, allowing more accurate measurement of impact and performance even with imperfect data. SynTest’s automated approach accelerates test setup and execution, integrates real-world signals into experiment design, and delivers actionable insights to inform marketing and business decisions.

Platforms Supported

Windows Supported
Mac Supported
Linux Supported
Cloud Supported
On-Premises Not Supported
iPhone Not Supported
iPad Not Supported
Android Not Supported
Chromebook Supported

Platforms Supported

Windows Not Supported
Mac Not Supported
Linux Not Supported
Cloud Supported
On-Premises Not Supported
iPhone Not Supported
iPad Not Supported
Android Not Supported
Chromebook Not Supported

Audience

Developers and product teams embedding speed tests, ISPs and network operators benchmarking real-world performance, and anyone testing their own home or mobile connection

Audience

Marketing, analytics, and business strategy teams needing a tool to run reliable in-market tests to measure campaign and business initiative effectiveness quickly and at scale

Support

Phone Support Not Supported
24/7 Live Support Not Supported
Online Supported

Support

Phone Support Supported
24/7 Live Support Not Supported
Online Supported

API

Offers API Supported

API

Offers API Not Supported

Screenshots and Videos

Screenshots and Videos

Pricing

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.
Free Version Supported
Free Trial Supported

Pricing

No information available.
Free Version Not Supported
Free Trial Not Supported

Reviews/Ratings

Overall 5.0 / 5
ease 5.0 / 5
features 5.0 / 5
design 5.0 / 5
support 4.0 / 5

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software

Pros & Cons from Real Users

Pros

  • It works on all my devices and I don’t need to install an app to use it. It shows my actual internet speed

Cons

  • Can’t have an account. It looks different on mobile compared to laptop

Training

Documentation Supported
Webinars Not Supported
Live Online Not Supported
In Person Not Supported

Training

Documentation Supported
Webinars Not Supported
Live Online Supported
In Person Not Supported

Company Information

SpeedOf.Me
Founded: 2011
United States
speedof.me/

Company Information

C5i
Founded: 2001
United States
www.c5i.ai/syntest/

Alternatives

Alternatives

Speed Test

Speed Test

BluSky

Categories

Speed Test Supported

Categories

Integrations

Claude Supported
Claude Code Supported
Cursor Supported
Visual Studio Code Supported

Integrations

Claude Not Supported
Claude Code Not Supported
Cursor Not Supported
Visual Studio Code Not Supported
Claim SpeedOf.Me and update features and information
Claim SpeedOf.Me and update features and information
Claim SynTest and update features and information
Claim SynTest and update features and information