Last updated: 14 November 2026

What runs where

The dead pixel, webcam, microphone, keyboard, speaker, refresh rate, mouse, system info, touchscreen, gamepad, display gradient and audio latency tests all run in this browser tab. The camera preview is shown back to you on the page only. The microphone waveform and level meter are drawn on the page only.

If you use the microphone test's optional 5-second record-and-playback feature, that recording is created in your browser's memory, in this tab, only so you can play it back to yourself. It is not recorded by this site, not saved to a server, and not uploaded. Closing or reloading the tab discards it. The same applies to the system info report: it is displayed on the page only, and only leaves the page if you choose to use the “Copy this report” button and paste it somewhere yourself.

What this site does not collect

• No account or sign-up is required, and this site does not ask for your name, email address or payment details to run a test.
• Test results, keystrokes, mouse movements, touch points, gamepad input, camera images and microphone audio are not collected, stored or transmitted by the tests on this page.
• Camera and microphone access is only requested when you start the webcam or microphone test, and your browser controls that permission. You can withdraw it at any time in your browser's site settings.

The one test that uses the network

The internet speed test cannot work locally alone: to measure ping, download and upload, your browser contacts the Cloudflare speed test endpoint shown in that section and transfers test data to and from that endpoint. That transfer contains test payload data for measuring speed — not your camera, microphone, files, keystrokes or test results from the other tools. As with any website connection, the services that deliver this page and that endpoint can see technical information needed to make the connection work, such as your IP address and browser details.

Fonts and third-party services

This page loads fonts from Google Fonts. If analytics, advertising or other third-party services are added in future, this policy will be updated before or when they are introduced to explain what they collect and how to control it.

Results are estimates

Test results are estimates and indications based on what your browser reports and measures. They are not a professional diagnosis — see the Disclaimer below. Nothing in this policy changes that.

Changes to this policy

If this policy changes, the updated version will be posted on this page with a new “last updated” date.

Questions about privacy

Use the contact method in the Contact / About section below.