Last updated: March 14, 2026
Site operator: Daniel Gächter, Frauenfeld, Switzerland
All audio, video, and sound testing on this website happens entirely in your browser. No microphone audio, webcam video, or speaker test data is ever transmitted to our servers or any third party. When you close the page, all test data is gone.
We use Google Analytics 4 (GA4) to understand how visitors use our website. Google Analytics collects:
Google Analytics uses cookies to distinguish unique visitors. The data is aggregated and anonymized. We use this data solely to improve our tools and content. We do not combine this data with any personal information.
Google Analytics opt-out: You can install the Google Analytics Opt-out Browser Add-on to prevent your data from being collected. You can also block cookies in your browser settings.
We use Google Search Console to monitor our website's performance in Google Search. This service provides aggregated search data (which queries lead to our site, click-through rates, indexing status). It does not collect any personal data from visitors.
Our website uses the following cookies:
| Cookie | Provider | Purpose | Duration |
|---|---|---|---|
| _ga | Google Analytics | Distinguish unique users | 2 years |
| _ga_* | Google Analytics | Store session state | 2 years |
We do not use advertising cookies, tracking pixels, or fingerprinting techniques.
Some links on our site are affiliate links to Amazon and other retailers. When you click an affiliate link:
We do not receive any personal data about your purchases. The retailer's own privacy policy applies once you leave our site. See our Affiliate Disclosure for details.
Our testing tools require browser permissions to function:
You can revoke these permissions at any time through your browser settings. We never request permissions for features you are not actively using.
We do not maintain user databases or store personal data on our servers. Our website is static HTML, CSS, and JavaScript hosted on a web server. The only server-side logging is standard web server access logs (IP address, timestamp, requested URL, user agent), which are automatically deleted after 30 days.
| Service | Purpose | Privacy Policy |
|---|---|---|
| Google Analytics | Website analytics | Google Privacy Policy |
| Google Search Console | Search performance monitoring | Google Privacy Policy |
| Amazon Associates | Affiliate product links | Amazon Privacy Notice |
| Hosttech | Web hosting (Switzerland) | Hosttech Privacy Policy |
If you are located in the European Economic Area (EEA) or Switzerland, you have the following rights under the General Data Protection Regulation (GDPR) and the Swiss Federal Act on Data Protection (nDSG):
Since we do not collect personal data beyond anonymous analytics, most of these rights are already satisfied by design. To exercise any right or ask questions, contact us at the address listed in our Imprint.
Our tools are intended for general audiences and do not knowingly collect information from children under 16. If you believe a child has provided personal data through our site, please contact us and we will promptly address the issue.
We may update this Privacy Policy from time to time. Changes will be posted on this page with an updated "Last updated" date. Continued use of the website after changes constitutes acceptance of the updated policy.