Is mizu.sh Safe? Security Analysis for mizu.js | Lightweight HTML templating library for any-side rendering
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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
The website mizu.sh presents an open-source JavaScript/TypeScript library named mizu.js, designed for lightweight HTML templating across multiple runtimes including browsers, Deno, Node.js, and Bun. The project emphasizes simplicity, flexibility, and cross-platform compatibility, targeting developers seeking an efficient templating solution without the overhead of complex frameworks. The site offers detailed documentation, interactive playgrounds, and code examples demonstrating server-side rendering and static site generation capabilities. Technically, the site is well-structured, mobile-optimized, and uses modern web technologies, hosted by OVH SAS with a recently registered domain. Security posture is moderate, with domain registration protections but lacking DNSSEC and security headers. Privacy compliance is minimal, with no visible privacy or cookie policies. Overall, the site is professional and trustworthy for its niche audience but could improve security and privacy transparency.
Detected Technologies
11 urgent findings need attention
1 critical · 10 high
- + 3 more findings in the full report below
Keep mizu.sh 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
8 findings
17/100
Email Security
5 findings
60/100
🧠AI Business Intelligence
Technology stack, business insights, and market analysis powered by AI.
Business Intelligence
Market & Strategic Analysis
mizu.js occupies a niche in the web development ecosystem as a lightweight, flexible templating library that supports any-side rendering. Its open-source MIT license and GitHub presence foster community engagement and sponsorship. The business model revolves around community-driven development and sponsorship rather than direct commercial sales. The target audience includes frontend and backend developers who prefer minimal dependencies and straightforward APIs. The project is new, founded in 2024, and does not appear to have parent or subsidiary companies. Its market position is that of a specialized tool competing with larger frameworks by focusing on simplicity and versatility. The presence of detailed documentation and interactive demos indicates a focus on developer experience and adoption.
Security Posture Analysis
Comprehensive Security Assessment
The security maturity of the website is moderate. The domain is registered with OVH SAS and has clientDeleteProhibited and clientTransferProhibited statuses, which protect against unauthorized domain changes. However, DNSSEC is not enabled, and no security headers were detected in the provided data, which are important for mitigating common web attacks. There is no evidence of privacy policies, incident response contacts, or vulnerability disclosure mechanisms, which are important for compliance and trust. The site uses HTTPS (implied by the URL) but lacks detailed SSL configuration data. No vulnerable libraries or exposed sensitive data were identified. Overall, the site is secure enough for an open-source project but could benefit from enhanced security best practices and transparency.
Strategic Recommendations
Priority Actions for Security Improvement
Enable DNSSEC to protect against DNS spoofing and improve domain security.
✨Observations
AI-powered comprehensive website and business analysis.
AI-Enhanced Website Analysis
Business Insights
mizu.js is a TypeScript/JavaScript library designed to provide a simple and efficient way to create dynamic web pages without the need for a complex framework.
excellent
consistent
Technical Stack
fast
excellent
good
good
Security Assessment
- Domain status includes clientDeleteProhibited and clientTransferProhibited to prevent unauthorized changes
Analytics & Tracking
Advertising & Marketing
Website Quality Assessment
Key Observations
Website is a technical documentation and demo site for an open-source JavaScript templating library.
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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
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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
No email authentication configured
CRITICALDomain is vulnerable to email spoofing
🏆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 48 days
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
⚡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 mizu.sh compare?
See how mizu.sh 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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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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