Is Wappalyzer Safe?
Wappalyzer — Nerq Trust Score 61.8/100 (C+ grade). Based on analysis of 2 trust dimensions, it is generally safe but has some concerns. Last updated: 2026-04-24.
Use Wappalyzer with some caution. Wappalyzer is a Chrome extension with a Nerq Trust Score of 61.8/100 (C+), based on 3 independent data dimensions. Below the recommended threshold of 70. Security: 90/100. Popularity: 90/100. Data sourced from Chrome Web Store metadata, permissions analysis, developer verification, and update history. Last updated: 2026-04-12. Machine-readable data (JSON).
Is Wappalyzer safe?
CAUTION — Wappalyzer has a Nerq Trust Score of 61.8/100 (C+). It has moderate trust signals but shows some areas of concern that warrant attention. Suitable for development use — review security and maintenance signals before production deployment.
What is Wappalyzer's trust score?
Wappalyzer has a Nerq Trust Score of 61.8/100, earning a C+ grade. This score is based on 2 independently measured dimensions including security, maintenance, and community adoption.
What are the key security findings for Wappalyzer?
Wappalyzer's strongest signal is security at 90/100. No known vulnerabilities have been detected. It has not yet reached the Nerq Verified threshold of 70+.
What is Wappalyzer and who maintains it?
| Author | Unknown |
| Category | Chrome Extensions |
| Source | N/A |
Similar Chrome by Trust Score
Safety Guide: Wappalyzer
What is Wappalyzer?
Wappalyzer is a Chrome extension — Technology profiler that identifies frameworks, CMS, and tools used on websites..
How to Verify Safety
Review permissions carefully. 'Read all data on all websites' is high risk.
You can also check the trust score via API: GET /v1/preflight?target=Wappalyzer
Key Safety Concerns for Chrome extension
When evaluating any Chrome extension, watch for: excessive permissions, data harvesting, permission creep.
Trust Assessment
Wappalyzer has a Nerq Trust Score of 62/100 (C+) 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
- Wappalyzer has a Trust Score of 62/100 (C+).
- Review carefully before use — below trust threshold.
- Always verify independently using the Nerq API.
Detailed Score Analysis
| Dimension | Score |
|---|---|
| Security | 90/100 |
| Maintenance | 50/100 |
| Popularity | 90/100 |
| Quality | 40/100 |
| Community | 35/100 |
Based on 5 dimensions. Data from Chrome Web Store metadata, permissions analysis, developer verification, and update history.
What data does Wappalyzer collect?
Wappalyzer has a privacy score of 90/100. Review the documentation and privacy policy for data handling details.
Full analysis: Wappalyzer Privacy Report · Privacy review
Is Wappalyzer secure?
Security score: 90/100. This meets the recommended security threshold for production use.
Nerq monitors this entity against NVD, OSV.dev, and registry-specific vulnerability databases for ongoing security assessment.
Full analysis: Wappalyzer Security Report
How we calculated this score
Wappalyzer's trust score of 61.8/100 (C+) is computed from Chrome Web Store metadata, permissions analysis, developer verification, and update history. The score reflects 5 independent dimensions: security (90/100), maintenance (50/100), popularity (90/100), quality (40/100), community (35/100). Each dimension is weighted equally to produce the composite trust score.
Nerq analyzes over 7.5 million entities across 26 registries using the same methodology, enabling direct cross-entity comparison. Scores are updated continuously as new data becomes available.
This page was last reviewed on April 24, 2026. Data version: 1.0.
Full methodology documentation · Machine-readable data (JSON 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.