Is bil.cz Safe? Security Analysis for Inzerce BiL.cz
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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
Inzerce BiL.cz operates as a Czech Republic-based online classified ads platform, providing free listings across a wide range of categories including automotive, real estate, electronics, and services. Established in 2007, it has built a modest but steady user base with over 4 million visitors and more than 137,000 ads posted. The platform's business model relies primarily on advertising revenue, leveraging Google Adsense and other ad networks. The website content is primarily in Czech, targeting a general audience seeking local classifieds. Technically, the site uses standard web technologies such as HTML, CSS, and JavaScript, with hosting and domain registration managed by WEDOS, a reputable Czech provider. Performance and mobile optimization are basic but functional, with room for improvement in accessibility and modern web standards. Security posture is adequate with HTTPS enabled, but lacks several important security headers and explicit incident response or security policies. Privacy compliance is partial, with a privacy policy present but no cookie consent mechanism detected. Overall, the site is functional and moderately trustworthy but would benefit from enhanced security and privacy features.
Detected Technologies
15 urgent findings need attention
2 critical · 13 high
- + 7 more findings in the full report below
Keep bil.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
7 findings
20/100
GDPR Compliance
5 findings
10/100
NIS2 Compliance
9 findings
2/100
Email Security
6 findings
40/100
🧠AI Business Intelligence
Technology stack, business insights, and market analysis powered by AI.
Business Intelligence
Market & Strategic Analysis
The platform holds a niche position in the Czech online classifieds market, offering free ad postings which attract a broad user base. Its competitive advantage lies in its longevity and category diversity. Revenue streams are primarily from advertising, with partnerships evident through affiliate coupon sites and advertising networks. The target customers are general consumers and small sellers in the Czech Republic. Growth indicators include a stable domain age and consistent traffic. The partnership ecosystem includes advertising networks like Google Adsense and AdExpert, as well as coupon affiliate sites. Strategic observations suggest focusing on improving privacy compliance and security to enhance user trust and regulatory adherence.
Security Posture Analysis
Comprehensive Security Assessment
The website demonstrates a basic security maturity level with HTTPS enforced and secure form submissions. However, it lacks critical security headers such as Content Security Policy, HSTS, and X-Frame-Options, which are important for mitigating common web attacks. No explicit incident response or security contact information is provided, which may hinder timely vulnerability reporting and response. GDPR compliance is partial, with a privacy policy present but no cookie consent mechanism. No vulnerabilities or exposed sensitive data were detected in the HTML content. The security culture appears minimal, with room for improvement in transparency and technical safeguards.
Strategic Recommendations
Priority Actions for Security Improvement
Implement comprehensive security headers including CSP, HSTS, X-Frame-Options, and X-XSS-Protection to enhance protection against common web vulnerabilities.
✨Observations
AI-powered comprehensive website and business analysis.
AI-Enhanced Website Analysis
Business Insights
Inzerce BiL.cz
Online classified ads platform offering free listings across multiple categories including automotive, real estate, electronics, services, and more, primarily targeting Czech users.
good
moderate
Technical Stack
moderate
basic
basic
good
Security Assessment
- HTTPS enabled
- Secure form inputs (login form uses POST)
- No exposed sensitive data in HTML
Analytics & Tracking
Advertising & Marketing
Website Quality Assessment
Key Observations
Website is a Czech free classified ads platform with a broad category range.
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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
👤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
EU business without adequate privacy measures
CRITICALEU businesses are subject to strict GDPR requirements
Third-party services without privacy policy
HIGHDetected services: Google Analytics
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: 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 SPF record found
HIGHSPF helps prevent email spoofing
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 31 days
Mixed Content Detected
MEDIUM1 resources loaded over insecure HTTP
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 bil.cz compare?
See how bil.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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