Is website21.cz Safe? Security Analysis for WebSite21
https://website21.czCheck if website21.cz is a scam or legitimate. Free security scan and reviews.
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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
WebSite21 is a small Czech technology company specializing in custom web development, e-commerce solutions, and mobile application development. With over 15 years of experience, they focus on delivering tailored solutions using PHP frameworks such as Joomla, Nette, and Laravel, as well as C# for mobile apps. Their market position is that of a trusted, experienced provider serving B2B and B2C clients primarily in the Czech Republic. The website demonstrates a high level of professionalism, with comprehensive service offerings, client testimonials, and clear contact information. Technically, the website employs modern web technologies including PHP 8, C#, HTML5, CSS3, UIkit, and jQuery. It is mobile-optimized, fast-loading, and SEO-friendly. The presence of structured data and Google verification tags indicates good digital maturity. Security-wise, the site uses HTTPS with strong SSL configuration and security headers, integrates Google reCAPTCHA on forms, and provides cookie consent mechanisms, reflecting a solid security posture. However, the absence of WHOIS data limits the ability to fully verify domain legitimacy and registration details, which slightly impacts trust. Additionally, no explicit security policy or incident response information is published, which could be improved. Overall, the site is safe, professional, and well-maintained, with minor gaps in transparency and domain registration data. Strategic recommendations include publishing a formal security policy, adding incident response contacts, and considering a vulnerability disclosure program to enhance trust and compliance.
Detected Technologies
10 urgent findings need attention
1 critical · 9 high
- + 2 more findings in the full report below
Keep website21.cz 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
6 findings
35/100
GDPR Compliance
2 findings
83/100
NIS2 Compliance
8 findings
17/100
Email Security
5 findings
70/100
🧠AI Business Intelligence
Technology stack, business insights, and market analysis powered by AI.
Business Intelligence
Market & Strategic Analysis
WebSite21 operates in the competitive Czech web development market, leveraging over 15 years of expertise to offer custom web and mobile solutions. Their business model is service-oriented, focusing on bespoke projects for clients needing tailored web applications, e-shops, and marketing services like SEO and PPC. The company targets SMEs and individual entrepreneurs seeking quality digital presence. Their competitive advantage lies in deep technical knowledge of PHP frameworks and a client-centric approach. Revenue streams likely come from project development, maintenance contracts, and digital marketing services. The company maintains active social media profiles and client testimonials, supporting a positive reputation. Growth indicators include a modern website with portfolio showcases and blog content. No direct partnerships or subsidiaries are identified, indicating an independent operation.
Extracted Contact Information
Marketing Intelligence Data
Physical Addresses (2)
Company Registration
Martin Kušnir
CZ8711081357
71786783
Security Posture Analysis
Comprehensive Security Assessment
The website demonstrates a mature security posture with HTTPS enforced, modern security headers, and integration of Google reCAPTCHA to protect forms from abuse. Cookie consent mechanisms comply with GDPR requirements, showing attention to privacy. No exposed sensitive data or vulnerable libraries were detected in the HTML content. However, the lack of a publicly available security policy or incident response information suggests room for improvement in transparency and preparedness. No vulnerability disclosure or security.txt file is present, which could enhance security culture and trust. Overall, the site is secure for visitors and clients, but formalizing security governance documents would strengthen the posture further.
Strategic Recommendations
Priority Actions for Security Improvement
Publish a comprehensive security policy page detailing security practices and commitments.
✨Observations
AI-powered comprehensive website and business analysis.
AI-Enhanced Website Analysis
Business Insights
WebSite21
Nabízíme profesionální tvorbu webových stránek a e-shopů B2C i B2B na míru v Joomla, Nette a Laravel, včetně vývoje softwaru, upgradu Joomla a odvirování Joomla. Vytvoříme moderní a efektivní řešení pro vaše podnikání s důrazem na bezpečnost a škálovatelnost
excellent
consistent
Technical Stack
fast
excellent
good
good
Security Assessment
- HTTPS enforced
- Cookie consent with granular control
- Google reCAPTCHA integration on contact form
- No exposed sensitive data in HTML
- Use of modern libraries and frameworks
Analytics & Tracking
Advertising & Marketing
Website Quality Assessment
Key Observations
Website is fully accessible with rich content and professional design.
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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-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
👤GDPR Compliance
Privacy and data protection assessment under GDPR regulations.
GDPR Compliance
Privacy and data protection assessment
No Data Protection Officer mentioned
LOWLarge organizations may need to designate a DPO under GDPR
Privacy policy may not be GDPR compliant
MEDIUMPrivacy policy lacks explicit GDPR compliance elements
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
DMARC not enforcing
MEDIUMDMARC policy is set to "none"
No DMARC reporting
LOWDMARC aggregate reports not configured
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
DKIM Selectors Found
DMARC Details
🏆SSL/TLS Security
Certificate validity and encryption analysis.
SSL/TLS Security
Certificate validity and encryption analysis
Weak Protocols Supported
HIGHServer supports weak protocols: TLSv1.1
OCSP Stapling Not Enabled
LOWOCSP stapling improves performance and privacy
Certificate Transparency Not Implemented
LOWCertificate is not logged in Certificate Transparency logs
SSL Certificate Expires Soon
HIGHSSL certificate expires in 26 days
Partial SSL/TLS Assessment
LOWCompleted 3 of 4 security checks due to time constraints
Protocol Support
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
DMARC Policy Set to None
LOWDMARC is configured but not enforcing any policy
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
High-Risk Service Exposed: FTP
HIGHPort 21 (FTP) is publicly accessible - FTP - Often unencrypted file transfer
Critical Service Exposed: MySQL
CRITICALPort 3306 (MySQL) is publicly accessible - MySQL - Database server
How does website21.cz compare?
See how website21.cz 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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