Is yarnpkg.com Safe? Security Analysis for Yarn Contributors, Inc.
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Below Technology avg (72)
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SEQ SIA
Lastadijas 12 k-3, Riga, Latvia, LV-1050
Reg. No. 40203410806 • VAT LV40203410806
Support: guard@offseq.com • +371 2256 5353
AI Summary
Yarn is a well-established open-source JavaScript package manager and project manager, serving a broad audience from individual developers to enterprise users. The website reflects a mature project with a strong community presence, offering innovative features such as workspaces, plugins, and stable reproducible installs. The business model is community-driven and independent, with no ties to a parent company. Technically, the site is built using modern frameworks like Docusaurus and React, hosted behind Cloudflare DNS and CDN services, and integrates analytics via Datadog RUM. The website is fast, mobile-optimized, and accessible, with clear navigation and professional design. From a security perspective, the site uses HTTPS and domain registration protections but lacks DNSSEC and visible security headers. There is no explicit privacy or cookie policy found, which is a compliance gap. No contact emails or phone numbers are listed on the homepage, and no vulnerability disclosure or incident response information is provided. The domain WHOIS data is consistent with the business age and shows no suspicious patterns, indicating legitimacy. Overall, the website is professional and trustworthy, with strong technical implementation and business credibility. However, improvements in privacy compliance, security headers, and transparency around data protection and incident response would enhance the security posture and user trust. The site contains no adult or questionable content and is safe for general audiences.
Detected Technologies
12 urgent findings need attention
12 high
- + 4 more findings in the full report below
Keep yarnpkg.com under constant watch
Guard tracks your live infrastructure daily: certificate expiry, DNS & mail authentication drift, uptime changes, subdomain inventory, and unexpected tracker or content shifts. A full timeline captures every diff so you can prove remediation and spot regressions instantly.
Security drift alerts
Risk score drops, new high-severity issues, and header hardening gaps
Compliance watch
GDPR / NIS2 posture changes with governance evidence snapshots
Infrastructure surface
Unexpected open services, SSL expiry, DNS & email authentication changes
Content & tracker intelligence
Marketing tech shifts, analytics drift, and AI recommendation updates
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Security Headers
8 findings
15/100
GDPR Compliance
3 findings
50/100
NIS2 Compliance
9 findings
2/100
Email Security
4 findings
70/100
🧠AI Business Intelligence
Technology stack, business insights, and market analysis powered by AI.
Business Intelligence
Market & Strategic Analysis
Yarn occupies a leading position in the JavaScript package management ecosystem, competing with other package managers by focusing on innovation, stability, and workspace management. Its open-source nature and community-driven roadmap provide competitive advantages, fostering rapid adoption and contributions. Revenue streams are likely indirect, possibly through enterprise support or partnerships, though not explicitly stated. The target customers include open-source developers, enterprises managing large monorepos, and JavaScript ecosystem users. The presence of active community channels like Discord and GitHub indicates a vibrant ecosystem. The business operates independently without a parent company, emphasizing openness and innovation. Strategic partnerships or subsidiaries are not evident from the data.
Security Posture Analysis
Comprehensive Security Assessment
The security maturity of the website is moderate to good. HTTPS is enforced, and domain registration includes standard protections against unauthorized changes. However, the absence of DNSSEC and security headers such as Content-Security-Policy or Strict-Transport-Security reduces the overall security robustness. No privacy or cookie policies are published, which is a compliance risk under GDPR and similar regulations. The lack of a published vulnerability disclosure or incident response policy limits transparency and preparedness for security incidents. No exposed sensitive data or vulnerable libraries were detected in the provided content. The use of Datadog RUM indicates some level of user behavior monitoring, but privacy compliance is weak. Overall, the site would benefit from enhanced security controls and compliance documentation.
Strategic Recommendations
Priority Actions for Security Improvement
Enable DNSSEC on the domain to improve DNS security and prevent spoofing.
✨Observations
AI-powered comprehensive website and business analysis.
AI-Enhanced Website Analysis
Business Insights
Yarn Contributors, Inc.
Yarn is a modern JavaScript package manager and project manager designed for both simple projects and large monorepos. It supports open source developers and enterprise users.
excellent
consistent
Technical Stack
fast
good
good
good
Security Assessment
- HTTPS enforced (implied by URL)
- Domain status includes clientDeleteProhibited, clientTransferProhibited, clientUpdateProhibited
Analytics & Tracking
Advertising & Marketing
Website Quality Assessment
Key Observations
Website is fully accessible with no blocking or WAF challenges.
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🛡️Security Headers
HTTP security headers analysis and recommendations.
Security Headers
HTTP security headers analysis
Missing Strict-Transport-Security header
HIGHForces HTTPS connections
Missing X-Frame-Options header
HIGHPrevents clickjacking attacks
Missing X-Content-Type-Options header
MEDIUMPrevents MIME type sniffing
Missing Content-Security-Policy header
HIGHControls resources the browser is allowed to load
Missing X-XSS-Protection header
MEDIUMLegacy XSS protection (deprecated but still recommended)
Missing Referrer-Policy header
LOWControls referrer information sent with requests
Missing Permissions-Policy header
MEDIUMControls browser features and APIs
Sensitive data may be cached
LOWCache-Control header should include "no-store" for sensitive pages
👤GDPR Compliance
Privacy and data protection assessment under GDPR regulations.
GDPR Compliance
Privacy and data protection assessment
No Privacy Policy found
HIGHGDPR requires a clear and accessible privacy policy
No Cookie Policy found
HIGHGDPR requires clear information about cookie usage
No Cookie Consent Banner found
HIGHGDPR requires explicit consent for non-essential cookies
GDPR Compliance Analysis
🛡️NIS2 Compliance
Network & Information Security Directive compliance assessment.
NIS2 Compliance
Network & Information Security Directive
No information security framework found
HIGHNIS2 requires documented cybersecurity and information security measures
No vulnerability disclosure policy
MEDIUMNIS2 encourages coordinated vulnerability disclosure
No security policy documentation found
HIGHNIS2 requires documented cybersecurity governance and risk management
No incident response procedures found
HIGHNIS2 requires documented incident response and business continuity plans
No business continuity planning found
MEDIUMNIS2 emphasizes operational resilience and business continuity
No security contact information
HIGHNIS2 requires clear incident reporting channels
No vulnerability reporting mechanism
MEDIUMClear vulnerability reporting supports coordinated disclosure
No NIS2 reference found
LOWConsider explicitly mentioning NIS2 compliance efforts
Critical sector without clear security compliance
HIGHDetected sectors: energy, transport, digital
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📧Email Security
SPF, DKIM, and DMARC validation and email security assessment.
Email Security
SPF, DKIM, and DMARC validation
No DKIM record found
MEDIUMDKIM adds cryptographic signatures to emails
No BIMI Record
LOWBIMI displays brand logos in email clients
No MTA-STS Policy
MEDIUMMTA-STS enforces TLS for email delivery
No TLS-RPT Record
LOWTLS-RPT provides reporting for email TLS issues
SPF Details
🏆SSL/TLS Security
Certificate validity and encryption analysis.
SSL/TLS Security
Certificate validity and encryption analysis
SSL Certificate Expires Within 90 Days
MEDIUMSSL certificate expires in 37 days
Weak SSL Key Length
HIGHSSL certificate uses 256-bit key, which is considered weak
Partial SSL/TLS Assessment
LOWCompleted 2 of 4 security checks due to time constraints
Certificate Details
OCSP Status
📊DNS Health
DNS configuration and security assessment.
DNS Health
DNS configuration and security assessment
DNSSEC Not Enabled
MEDIUMDNSSEC is not configured for this domain
CAA Records Not Configured
LOWCertificate Authority Authorization (CAA) records not found
No DMARC Record
MEDIUMDMARC policy not configured
Domain Registration Details
DNS Records
DNSSEC Status
DNS Performance
SPF Analysis
⚡Network Security
Port scanning and network exposure analysis.
Network Security
Port scanning and network exposure analysis
Good Network Security Posture
LOWNo unnecessary services detected on common risky ports
How does yarnpkg.com compare?
See how yarnpkg.com stacks up against similar websites in the same industry.
🔧Technical Analysis
Detailed technical findings and analysis from AI assessment.
Technical Analysis
Comprehensive security assessment findings
Additional Findings
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PDF Report & Export
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Marketing Intelligence
Contact emails, phone numbers & warm leads
Plan Comparison
| Feature | PDF Report | Marketing+ |
|---|---|---|
| Full security analysis | ||
| Professional PDF export | ||
| Email delivery | ||
| Lifetime access + unlock code | ||
| Contact emails & phones | — | |
| Marketing outreach data | — |
Already purchased?
Order summary
Digital reports are delivered immediately after payment. By continuing you acknowledge the withdrawal waiver described in our Returns & Refunds policy.
Secure payments processed via EveryPay. Prices in EUR; Incl. 21% VAT.
SEQ SIA
Lastadijas 12 k-3, Riga, Latvia, LV-1050
Reg. No. 40203410806 • VAT LV40203410806
Support: guard@offseq.com • +371 2256 5353
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