Is 250kb.club Safe? Security Analysis for Private by Design, LLC
https://250kb.clubCheck if 250kb.club is a scam or legitimate. Free security scan and reviews.
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
The 250kb Club is a niche community-driven platform dedicated to promoting web pages that maintain a compressed size under 256KB, emphasizing performance, efficiency, accessibility, and sustainability. Founded in 2020 and operated by Private by Design, LLC, the website serves web developers and site owners who prioritize lightweight and performant web experiences. The platform offers a curated list of qualifying websites, technical analysis using Phantomas, and open source transparency through GitHub and Sourcehut repositories. Technically, the site is built with standard HTML, CSS, and JavaScript, with minimal external dependencies, and uses GoatCounter for privacy-conscious analytics. The hosting and domain registration are consistent and reputable, with Porkbun as the registrar and US-based ownership. Security posture is adequate with HTTPS enabled and domain status locks, but lacks DNSSEC and security headers, which are recommended for improvement. Privacy compliance is limited due to the absence of privacy and cookie policies, representing a compliance gap. Overall, the site is trustworthy, well-maintained, and serves a clear community purpose with good technical and business credibility.
Detected Technologies
12 urgent findings need attention
1 critical · 11 high
- + 4 more findings in the full report below
Keep 250kb.club 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
3 findings
75/100
GDPR Compliance
3 findings
50/100
NIS2 Compliance
9 findings
2/100
Email Security
5 findings
60/100
🧠AI Business Intelligence
Technology stack, business insights, and market analysis powered by AI.
Business Intelligence
Market & Strategic Analysis
The 250kb Club occupies a unique position in the web performance niche, targeting developers and site owners focused on sustainable and efficient web design. Its business model revolves around community membership and curated listings rather than direct monetization, although donation links are present. The open source nature of the platform fosters transparency and community engagement. The project is relatively young but has established a clear identity and partnerships with similar initiatives like 512kb.club and 1MB.club. The lack of explicit contact information and formal policies suggests a small-scale operation focused on community values rather than commercial expansion. Growth potential lies in expanding membership, enhancing technical features, and improving compliance and security standards.
Security Posture Analysis
Comprehensive Security Assessment
The website demonstrates a moderate security maturity level with HTTPS enforced and domain status protections in place. However, the absence of DNSSEC and common security headers such as Content-Security-Policy and X-Frame-Options indicates room for improvement. No forms or user input fields reduce the attack surface, and no vulnerabilities or exposed sensitive data were detected. The lack of a published security policy or incident response contact limits transparency in handling security incidents. Privacy compliance gaps, including missing privacy and cookie policies, could expose the site to regulatory risks. Overall, the security posture is adequate for the site's scope but should be enhanced to align with best practices and compliance requirements.
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
Private by Design, LLC
An exclusive membership for web pages presenting themselves in no more than 250kb, focusing on performance, efficiency, accessibility, and sustainability.
good
consistent
Technical Stack
fast
good
good
basic
Security Assessment
- HTTPS enabled
- Domain status includes clientDeleteProhibited and clientTransferProhibited
Analytics & Tracking
Advertising & Marketing
Website Quality Assessment
Key Observations
Website is a niche community platform promoting lightweight web pages.
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🛡️Security Headers
HTTP security headers analysis and recommendations.
Security Headers
HTTP security headers analysis
Missing Content-Security-Policy header
HIGHControls resources the browser is allowed to load
Weak Referrer-Policy configuration
LOWCurrent value: "no-referrer-when-downgrade"
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: transport, banking, 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
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
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 Within 90 Days
MEDIUMSSL certificate expires in 82 days
Weak SSL Key Length
HIGHSSL certificate uses 256-bit key, which is considered weak
Mixed Content Detected
MEDIUM6 resources loaded over insecure HTTP
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
No DMARC Record
MEDIUMDMARC policy not configured
Domain Registration Details
DNS Records
DNSSEC Status
⚡Network Security
Port scanning and network exposure analysis.
Network Security
Port scanning and network exposure analysis
Service Exposed: SSH
MEDIUMPort 22 (SSH) is publicly accessible - SSH - Secure but can be brute-forced
How does 250kb.club compare?
See how 250kb.club 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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