Is jj20.com Safe? Security Analysis for 电脑壁纸 高清壁纸 桌面壁纸 背景图片 娟娟壁纸
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Below Media avg (58)
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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 website www.jj20.com is a Chinese language wallpaper portal offering a wide range of high-definition desktop and mobile wallpapers including categories such as landscapes, flowers, celebrities, and cartoons. It targets general users seeking free wallpaper content and positions itself as a niche media content provider in the wallpaper segment. The site features a basic search form and extensive categorized content but lacks visible business contact information or formal policies. Technically, the site uses standard HTML, CSS, and JavaScript with Baidu Analytics for user tracking. The site appears moderately optimized for mobile and SEO but lacks advanced accessibility features and security headers. Security posture is weak due to missing HTTPS confirmation and absence of security best practices. The WHOIS data is unavailable, which raises concerns about domain registration legitimacy but does not directly impact the content quality. Overall, the site is functional but requires improvements in security, privacy compliance, and business transparency to enhance trust and compliance.
Detected Technologies
15 urgent findings need attention
1 critical · 14 high
- + 7 more findings in the full report below
Keep jj20.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
7 findings
20/100
GDPR Compliance
3 findings
50/100
NIS2 Compliance
9 findings
2/100
Email Security
7 findings
30/100
🧠AI Business Intelligence
Technology stack, business insights, and market analysis powered by AI.
Business Intelligence
Market & Strategic Analysis
The business operates as a content portal providing free wallpaper images primarily to Chinese-speaking users. Its business model likely relies on advertising and affiliate partnerships, as indicated by numerous external links to related image and design resource sites. The site lacks direct monetization or e-commerce features. The absence of formal privacy and cookie policies and contact details suggests a small-scale operation with limited formal business infrastructure. The extensive partner ecosystem indicates a strategy to leverage related content providers for traffic and resource sharing. Growth potential depends on improving user trust, security, and compliance with data protection regulations.
Security Posture Analysis
Comprehensive Security Assessment
The website currently exhibits a low security maturity level. There is no evidence of HTTPS enforcement or security headers, which exposes users to potential interception or manipulation risks. The site uses JavaScript libraries without indication of vulnerability management. No privacy or incident response policies are present, and no contact channels for security issues are provided. The lack of WHOIS data further complicates trust assessment. These gaps increase the risk of data leakage, user tracking without consent, and potential exploitation. The site should prioritize implementing HTTPS, security headers, privacy policies, and incident response mechanisms to improve its security posture.
Strategic Recommendations
Priority Actions for Security Improvement
Implement HTTPS across the entire website to secure user data and improve trust.
✨Observations
AI-powered comprehensive website and business analysis.
AI-Enhanced Website Analysis
Business Insights
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good
consistent
Technical Stack
moderate
basic
basic
basic
Security Assessment
Analytics & Tracking
Advertising & Marketing
Website Quality Assessment
Key Observations
Website is a Chinese language wallpaper image portal offering various categories of wallpapers.
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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
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: 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 MX records found
MEDIUMDomain cannot receive email without MX records
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 79 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
Mixed Content Detected
MEDIUM15 resources loaded over insecure HTTP
Protocol Support
OCSP Status
📊DNS Health
DNS configuration and security assessment.
DNS Health
DNS configuration and security assessment
No MX Records
LOWDomain cannot receive email without MX records
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
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 jj20.com compare?
jj20.com scores below average. Browse similar domains to see how competitors handle security.
🔧Technical Analysis
Detailed technical findings and analysis from AI assessment.
Technical Analysis
Comprehensive security assessment findings
Additional Findings
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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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