Is ublockorigin.com Safe? Security Analysis for uBlock Origin
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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
uBlock Origin is a well-established open-source browser extension focused on ad and content blocking with an emphasis on CPU and memory efficiency. It enjoys a strong market position with millions of active users across major browsers including Chrome, Firefox, Edge, Opera, and Safari (prior to version 13). The project is led by founder Raymond Hill and maintained actively with a transparent development process hosted on GitHub. The website reflects a professional, clean, and user-friendly design with multilingual support and clear calls to action for downloading the extension. Technically, the website uses modern web standards including HTML5, CSS3, JavaScript, and jQuery, hosted behind Cloudflare DNS services. It is optimized for performance and mobile responsiveness, with good SEO and accessibility features. However, some security best practices such as DNSSEC and security headers are not implemented, and no explicit privacy or cookie policies are published, which could be improved to enhance compliance and user trust. From a security perspective, the site enforces HTTPS and has domain registration protections in place, but lacks formal incident response or vulnerability disclosure mechanisms. No tracking or advertising scripts are present, aligning with the privacy-centric nature of the product. Overall, the security posture is solid but could benefit from additional transparency and technical enhancements. The overall risk assessment is low given the open-source nature, transparent domain registration, and absence of suspicious indicators. Strategic recommendations include publishing privacy and cookie policies, enabling DNSSEC, adding security headers, and providing clear vulnerability reporting channels to further strengthen trust and compliance.
Detected Technologies
11 urgent findings need attention
11 high
- + 3 more findings in the full report below
Keep ublockorigin.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
9 findings
2/100
Email Security
4 findings
75/100
🧠AI Business Intelligence
Technology stack, business insights, and market analysis powered by AI.
Business Intelligence
Market & Strategic Analysis
uBlock Origin operates as an open-source software project targeting users who seek efficient and privacy-respecting ad blocking solutions. Its business model is non-commercial, refusing donations directly and instead encouraging support for block list maintainers. The project has demonstrated rapid growth historically and maintains a strong community presence on GitHub and Reddit. Its competitive advantage lies in its wide browser support, resource efficiency, and commitment to user privacy. The ecosystem includes partnerships with block list providers and community contributors. The website and project leadership maintain a consistent brand and messaging focused on transparency and user empowerment.
Security Posture Analysis
Comprehensive Security Assessment
The security maturity of uBlock Origin's website and project is moderate to good. HTTPS is enforced, and domain registration includes protections against unauthorized changes. However, the absence of DNSSEC and security headers reduces the overall security hardening. No privacy or cookie policies are published, which is a compliance gap under GDPR and similar regulations. Incident response and vulnerability disclosure mechanisms are not publicly documented, which could delay handling of security issues. The lack of tracking and advertising scripts is a positive privacy indicator. Overall, the security culture appears focused on privacy and transparency but would benefit from formalized policies and technical improvements.
Strategic Recommendations
Priority Actions for Security Improvement
Publish a comprehensive privacy policy and cookie policy to improve GDPR compliance and user trust.
✨Observations
AI-powered comprehensive website and business analysis.
AI-Enhanced Website Analysis
Business Insights
uBlock Origin
uBlock Origin is a free, open-source, cross-platform browser extension for content filtering, primarily aimed at blocking ads and protecting privacy with CPU and memory efficiency.
excellent
consistent
Technical Stack
fast
good
good
good
Security Assessment
- HTTPS enforced (implied by canonical URL and external links)
- Domain status includes clientDeleteProhibited, clientRenewProhibited, clientTransferProhibited, clientUpdateProhibited
Analytics & Tracking
Advertising & Marketing
Website Quality Assessment
Key Observations
Website is fully accessible with no blocking or WAF challenges.
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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 Cookie Policy found
HIGHGDPR requires clear information about cookie usage
No Cookie Consent Banner found
HIGHGDPR requires explicit consent for non-essential cookies
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
Critical sector without clear security compliance
HIGHDetected sectors: energy, transport, digital
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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 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
SSL Certificate Expires Within 90 Days
MEDIUMSSL certificate expires in 75 days
Weak SSL Key Length
HIGHSSL certificate uses 256-bit key, which is considered weak
HSTS Not Enabled
MEDIUMHTTP Strict Transport Security (HSTS) is not configured
Partial SSL/TLS Assessment
LOWCompleted 3 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
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
Good Network Security Posture
LOWNo unnecessary services detected on common risky ports
How does ublockorigin.com compare?
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🔧Technical Analysis
Detailed technical findings and analysis from AI assessment.
Technical Analysis
Comprehensive security assessment findings
Additional Findings
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Marketing Intelligence
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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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