Is User Agent Safe?
User Agent — Nerq Trust Score 34.8/100 (F grade). Based on analysis of 2 trust dimensions, it is has significant safety risks. Last updated: 2026-04-01.
Exercise caution with User Agent. User Agent is a Firefox add-on (https://webbrowsertools) with a Nerq Trust Score of 34.8/100 (F), based on 3 independent data dimensions. It is below the recommended threshold of 70. Security: 65/100. Popularity: 30/100. Data sourced from addons.mozilla.org metadata, permissions analysis, and source code availability. Last updated: 2026-04-01. Machine-readable data (JSON).
Is User Agent safe?
NO — USE WITH CAUTION — User Agent has a Nerq Trust Score of 34.8/100 (F). It has below-average trust signals with significant gaps in security, maintenance, or documentation. Not recommended for production use without thorough manual review and additional security measures.
What is User Agent's trust score?
User Agent has a Nerq Trust Score of 34.8/100, earning a F grade. This score is based on 2 independently measured dimensions including security, maintenance, and community adoption.
What are the key security findings for User Agent?
User Agent's strongest signal is security at 65/100. No known vulnerabilities have been detected. It has not yet reached the Nerq Verified threshold of 70+.
What is User Agent and who maintains it?
| Author | SandVPN |
| Category | firefox |
| Source | N/A |
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Safety Guide: User Agent
What is User Agent?
User Agent is a Firefox add-on — Change your user agent QUICKLY and EASILY! Our extension includes SEVERAL ADVANCED methods of user-agent spoofing! To test its efficiency: https://webbrowsertools.com/useragent/.
How to Verify Safety
Review permissions on addons.mozilla.org. Check if source code is available.
You can also check the trust score via API: GET /v1/preflight?target=User Agent
Key Safety Concerns for Firefox add-ons
When evaluating any Firefox add-on, watch for: excessive permissions, data harvesting.
Trust Assessment
User Agent has a Nerq Trust Score of 35/100 (F) and has not yet reached Nerq trust threshold (70+). This score is based on automated analysis of security, maintenance, community, and quality signals.
Key Takeaways
- User Agent has a Trust Score of 35/100 (F).
- Review carefully before use — below trust threshold.
- Always verify independently using the Nerq API.
Frequently Asked Questions
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Disclaimer: Nerq trust scores are automated assessments based on publicly available signals. They are not endorsements or guarantees. Always conduct your own due diligence.