Is concretecostcalc.com Safe? Security Analysis for ConcreteCostCalc
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GDPR-aligned
Data handling
EU
Hosting region
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ConcreteCostCalc operates as a specialized online platform providing free, data-driven concrete cost calculators tailored to various construction projects such as pads, driveways, patios, block walls, and rebar. The service leverages public government data sources and economic census information to deliver localized pricing estimates for the United States market. The website is well-structured with comprehensive content and detailed methodology, targeting homeowners and construction professionals seeking reliable cost estimates. Technically, the site is built using modern web technologies including the Astro framework and is hosted with Cloudflare DNS, ensuring fast performance and mobile optimization. Security posture is solid with HTTPS enforced and domain lock statuses in place, though DNSSEC is not enabled and no explicit privacy or security policies are published. The WHOIS data presents anomalies with a future domain creation date, which reduces trustworthiness and suggests a need for verification. Overall, the site is professional and trustworthy in content but would benefit from enhanced privacy compliance and clearer contact information.
Detected Technologies
11 urgent findings need attention
11 high
- + 3 more findings in the full report below
Keep concretecostcalc.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
4 findings
53/100
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
ConcreteCostCalc occupies a niche market segment focused on construction cost estimation, particularly concrete-related projects. Its competitive advantage lies in the use of authoritative public data sources combined with calibrated estimates to provide transparent and localized pricing. The business model centers on offering free online tools that attract users likely to be homeowners, contractors, and DIY enthusiasts. Revenue streams may include affiliate partnerships or donations, as indicated by links to platforms like Ko-fi and Open Collective. The company maintains a consistent brand presence with active social media and community engagement via GitHub and Pinterest. Growth potential exists through expanding calculator offerings and improving user engagement. The lack of explicit parent or subsidiary companies suggests an independent small business operation.
Security Posture Analysis
Comprehensive Security Assessment
The website demonstrates a mature security posture with HTTPS enforced and domain status protections such as clientDeleteProhibited and clientTransferProhibited. However, the absence of DNSSEC and lack of published privacy, cookie, or incident response policies represent compliance gaps. No security.txt or vulnerability disclosure mechanisms are present, limiting transparency for security researchers. No exposed sensitive data or vulnerable libraries were detected in the content. The site does not appear to use tracking or advertising scripts that could introduce privacy risks. Overall, the security maturity is good but could be improved by formalizing privacy and incident response documentation and enabling DNSSEC.
Strategic Recommendations
Priority Actions for Security Improvement
Enable DNSSEC to enhance DNS security and prevent spoofing.
✨Observations
Comprehensive website and business-context analysis.
AI-Enhanced Website Analysis
Business Insights
ConcreteCostCalc
Free concrete cost calculator for pads, driveways, patios, block walls, and rebar, priced for your metro area with the source and date behind every number.
excellent
consistent
Technical Stack
fast
excellent
good
good
Security Assessment
- HTTPS enforced
- Domain locked with clientDeleteProhibited and clientTransferProhibited
- No exposed sensitive data in HTML
Analytics & Tracking
Advertising & Marketing
Website Quality Assessment
Key Observations
Website provides detailed, data-driven concrete cost calculators for various project types.
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🛡️Security Headers
HTTP security headers analysis and recommendations.
Security Headers
HTTP security headers analysis
Missing Strict-Transport-Security header
Forces HTTPS connections
Missing X-Frame-Options header
Prevents clickjacking attacks
Missing X-Content-Type-Options header
Prevents MIME type sniffing
Missing Content-Security-Policy header
Controls resources the browser is allowed to load
Missing X-XSS-Protection header
Legacy XSS protection (deprecated but still recommended)
Missing Referrer-Policy header
Controls referrer information sent with requests
Missing Permissions-Policy header
Controls browser features and APIs
Sensitive data may be cached
Cache-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 Cookie Policy found
GDPR requires clear information about cookie usage
No Cookie Consent Banner found
GDPR requires explicit consent for non-essential cookies
No Data Protection Officer mentioned
Large organizations may need to designate a DPO under GDPR
Privacy policy may not be GDPR compliant
Privacy 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
NIS2 requires documented cybersecurity and information security measures
No vulnerability disclosure policy
NIS2 encourages coordinated vulnerability disclosure
No security policy documentation found
NIS2 requires documented cybersecurity governance and risk management
No incident response procedures found
NIS2 requires documented incident response and business continuity plans
No business continuity planning found
NIS2 emphasizes operational resilience and business continuity
No security contact information
NIS2 requires clear incident reporting channels
No vulnerability reporting mechanism
Clear vulnerability reporting supports coordinated disclosure
No NIS2 reference found
Consider 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
DMARC policy is set to "none"
No DKIM record found
DKIM adds cryptographic signatures to emails
No BIMI Record
BIMI displays brand logos in email clients
No MTA-STS Policy
MTA-STS enforces TLS for email delivery
No TLS-RPT Record
TLS-RPT provides reporting for email TLS issues
SPF Details
DMARC Details
🏆SSL/TLS Security
Certificate validity and encryption analysis.
SSL/TLS Security
Certificate validity and encryption analysis
Weak Protocols Supported
Server supports weak protocols: TLSv1.1
OCSP Stapling Not Enabled
OCSP stapling improves performance and privacy
Certificate Transparency Not Implemented
Certificate is not logged in Certificate Transparency logs
SSL Certificate Expires Within 90 Days
SSL certificate expires in 72 days
Weak SSL Key Length
SSL certificate uses 256-bit key, which is considered weak
HSTS Not Enabled
HTTP Strict Transport Security (HSTS) is not configured
Protocol Support
OCSP Status
📊DNS Health
DNS configuration and security assessment.
DNS Health
DNS configuration and security assessment
DNSSEC Not Enabled
DNSSEC is not configured for this domain
CAA Records Not Configured
Certificate Authority Authorization (CAA) records not found
DMARC Policy Set to None
DMARC is configured but not enforcing any policy
Domain Registration Details
- •Domain registered less than 30 days ago
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
No unnecessary services detected on common risky ports
How does concretecostcalc.com compare?
See how concretecostcalc.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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