Speedometer is a browser benchmark that measures the responsiveness of web applications. It's maintained by major browser engine developers under an open governance model.

Speedometer is a browser benchmark that measures the responsiveness of Web applications. It uses demo web applications to simulate user actions such as adding to-do items.

Use Speedtest on all your devices with our free desktop and mobile apps.

SPEED-BATTLE measures online the speed of JavaScript in your browser and shows a comparison to previous visitors

Try for free now! Cross browser test your websites online in all web browsers – Internet Explorer, Edge, Chrome, Safari, Firefox, and Opera.

Run a free website speed test from around the globe using real browsers at consumer connection speeds with detailed optimization recommendations.

Oct 5, 2025 · Compare performance of macOS, Windows and Android browsers based on Speedometer 3 benchmark results, adblocking quality, and RAM usage. Find the fastest and …

May 30, 2025 · Discover how to run browser performance tests to optimize speed, responsiveness, and user experience across browsers and devices.

Test your browser's capabilities, security features, and hardware information. Comprehensive analysis of web standards compatibility, media support, and system specifications.

Apr 26, 2025 · What is the fastest browser out there? Check out our full speed test results from 10 browsers if you’re looking for a fast one.

Complete cross-browser testing on 10,000+ real devices and browsers. Debug in real-time, run tests in parallel, and test local apps instantly.

The definitive way to test the speed and performance of your internet connection. SpeedSmart is a internet speed test that works accurately across any devices with a web browser, from …

Feb 27, 2025 · I put several browsers through tests for startup and page rendering times to see which ones are the fastest. I tested every browser (except Arc and Safari) on Pop!_OS Linux; I …

Fast Internet? Prove It! Run a Free Internet Speed Test using your Web browser, No App Needed. Fast, Accurate HTML5 Speed Test that works on any device.

See how your system performs with this suite using the Phoronix Test Suite. It's as easy as running the phoronix-test-suite benchmark browsers command.. Add a test suite for web …

Device Info is a web browser security testing, privacy testing, and troubleshooting tool.

BrowserLeaks is a suite of tools that offers a range of tests to evaluate the security and privacy of your web browser. These tests focus on identifying ways in which websites may leak your real …

Apr 13, 2023 · List of free web browser benchmark test tools and speed testing online tools. Measure JavaScript, HTML5, etc, performances. Use Peacekeeper, Lite Brite, etc.

Test your website on real devices —like your phone, tablet, and computer—in real time. Select from 3000+ environments to easily test on the desktop or mobile web browsers.

The world's largest continuous testing cloud of web and mobile applications. Access web browsers, mobile emulators, simulators, and real mobile devices.

Speedometer is a browser benchmark that measures the responsiveness of Web applications. It uses demo web applications to simulate user actions such as adding to-do items.

SpeedOf.Me is a broadband speed test that allows you to easily measure your actual Internet speed on all your devices like desktop, mobile, tablet, game console, smart TV, etc.

Aug 8, 2025 · Discover the 9 best browsers for website testing in 2025. Compare features, speed, and tools to ensure your site performs flawlessly across platforms.

Speedometer is a browser benchmark that measures the responsiveness of Web applications. It uses demo web applications to simulate user actions such as adding to-do items.

5 days ago · Discover how OpenAI's Atlas browser puts ChatGPT at the center of web browsing, with AI search, task automation, and memory features that change everything

Test your internet speed with Speedtest by Ookla on any device using free desktop and mobile apps.

6 days ago · Computing Internet Browsers I just tested the new ChatGPT Atlas browser — here’s 4 big ways it beats Chrome

3 days ago · OpenAI's new ChatGPT Atlas browser brings ambitious AI-powered browsing and task automation—but in its current state, it's better as a curious sidekick than your everyday …

6 days ago · OpenAI today introduced ChatGPT Atlas, a dedicated AI browser that includes ChatGPT integration. OpenAI says that the browser was designed around the question "What …