privacytests.org
PrivacyTests.org is an open-source testing framework that measures browser privacy features and publishes results on a public website. It includes browser testing code, a test server, and static site rendering for human-readable reports.
Key facts
Objective fields from the source. Values we can't verify are shown as “Unknown” rather than guessed.
| Field | Value |
|---|---|
| Repository | privacytests/privacytests.org |
| Owner | privacytests |
| Primary language | HTML |
| License | MIT — OSI-approved |
| Stars | 1.2k |
| Forks | 43 |
| Open issues | 173 |
| Latest release | Unknown |
| Last updated | 2026-07-08 |
| Source | https://github.com/privacytests/privacytests.org |
What privacytests.org is
HTML/JavaScript-based testing suite with Express.js test server, HTTP/3 support via aioquic submodule fork, and static site generation. Results are stored as raw data files and rendered into HTML pages for public consumption.
Get the privacytests.org source
Clone the repository and explore it locally.
git clone https://github.com/privacytests/privacytests.org.gitcd privacytests.org# follow the project's README for install & configurationNeed it deployed, integrated, or customized instead? DEV.co ships production installs.
Best use cases
Implementation considerations
- Test execution requires browser binaries; confirm compatibility with target browser versions and OS platforms.
- Results storage uses file-based approach; plan for data volume and archival strategy as test history grows.
- HTTP/3 tests depend on aioquic fork; monitor for upstream security patches and compatibility drift.
- Static site rendering implies batch processing; design scheduling and result update frequency before deployment.
- 173 open issues indicate active maintenance burden; assess team capacity to handle test flakiness and browser compatibility breaks.
When to avoid it — and what to weigh
- Need commercial support or SLA — No commercial backing or support agreements are evident. Latest release is marked n/a and project shows community-driven maintenance only.
- Require mature deployment automation — No documented CI/CD pipelines, containerization, or deployment tooling mentioned. Manual test orchestration appears necessary.
- Building a privacy-centric SaaS product — This is a testing/reporting tool, not a privacy enforcement library. Not designed as an embeddable component for end-user applications.
- Need guaranteed test stability — 173 open issues and no versioned releases suggest ongoing instability. Test results may vary with browser updates.
License & commercial use
MIT License. Permissive OSI-approved license allowing commercial use, modification, and distribution with attribution and liability disclaimer.
MIT license permits commercial use. However, no warranty is provided, and no commercial support or SLA exists. Internal use for privacy testing is viable; redistributing modified version or embedding in commercial product should include attribution and review liability implications.
DEV.co evaluation signals
Editorial assessment — not user reviews. Directional, with an explicit confidence level.
| Signal | Assessment |
|---|---|
| Maintenance | Active |
| Documentation | Limited |
| License clarity | Clear |
| Deployment complexity | Moderate |
| DEV.co fit | Possible |
| Assessment confidence | High |
Measures browser privacy features but is not itself a security/privacy tool. Security considerations: (1) aioquic submodule requires monitoring for upstream CVEs; (2) test server runs arbitrary browser code; isolate in sandboxed environment; (3) raw results may contain sensitive test data; plan access controls and data retention policy; (4) no explicit security audit mentioned in project history.
Alternatives to consider
Browsertime / sitespeed.io
Performance and privacy benchmarking automation with stronger maintenance, plugins, and operational documentation.
OWASP Browsers Guide / Browser Security Handbook
Static reference documentation on browser security features; better for research than real-time testing if you don't need continuous monitoring.
WebDriver-based custom test suite
Build privacy tests directly using WebDriver (Selenium, Playwright) for tighter control, easier CI/CD integration, and no upstream fork management.
Build on privacytests.org with DEV.co software developers
Fork PrivacyTests.org, review the testing methodology, and run audits on your target browsers. Be prepared to manage test orchestration and handle ongoing maintenance.
Talk to DEV.coRelated open-source tools
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Related on DEV.co
Explore the category and the services that help you build with it.
privacytests.org FAQ
Can we embed PrivacyTests.org results into our SaaS?
How often are tests run and results updated?
Does it work with headless browsers?
What is the test execution environment?
Software development & web development with DEV.co
Adopting privacytests.org is usually one piece of a larger software development effort. As a software development agency, DEV.co provides software development services and web development expertise — pairing senior software developers and web developers with your team to design, build, and operate open-source testing software in production.
Ready to measure browser privacy?
Fork PrivacyTests.org, review the testing methodology, and run audits on your target browsers. Be prepared to manage test orchestration and handle ongoing maintenance.