Is isresponsive.com Safe? Security Analysis for Responsive Web Design Online Testing - isResponsive
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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.isresponsive.com offers an online tool focused on testing and building responsive web designs. It targets web developers and designers who need to verify their websites' responsiveness across various devices and viewports. The site provides testing features and emulators to facilitate this process. The business model centers around providing a free or ad-supported online service in the technology niche, specifically web development tools. The market position is that of a niche service provider with a small-scale operation and no evident parent or subsidiary companies. Technically, the site uses standard web technologies including HTML5, CSS3, JavaScript, and integrates third-party services such as Google Analytics and Adsense for tracking and monetization. The site is moderately optimized for mobile devices and SEO, with a clean and consistent design. Security-wise, the site lacks visible security headers and privacy or cookie policies, which are important for compliance and user trust. The WHOIS data is unavailable, indicating the domain may be unregistered or privacy protected, which reduces trustworthiness. Overall, the site is accessible without WAF or blocking mechanisms and contains safe content suitable for general audiences.
Detected Technologies
18 urgent findings need attention
3 critical · 15 high
- + 10 more findings in the full report below
Keep isresponsive.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
35/100
NIS2 Compliance
9 findings
2/100
Email Security
5 findings
80/100
🧠AI Business Intelligence
Technology stack, business insights, and market analysis powered by AI.
Business Intelligence
Market & Strategic Analysis
The business operates in the technology sector providing a specialized online tool for responsive web design testing. Its competitive advantage lies in offering a simple, accessible platform for developers to test their websites without complex setups. Revenue likely comes from advertising via Google Adsense. The target customers are web developers and designers globally. There is no evidence of partnerships beyond technology libraries or affiliate programs. Growth indicators are limited due to lack of business information and registrant data. The partnership ecosystem includes RTL CSS and AlertifyJS, which are open-source libraries used on the site. Strategic observations suggest the business is small, focused on a niche market, and relies on ad revenue with minimal direct user engagement or contact channels.
Security Posture Analysis
Comprehensive Security Assessment
The security posture is moderate but with notable gaps. The site uses HTTPS (implied by origin-trial meta tags and Google services), but no explicit security headers were detected in the HTML content. There is no privacy or cookie policy, which is a compliance risk under GDPR and other privacy regulations. No contact information for incident response or security policy is provided. The site does not expose sensitive data or vulnerable libraries visibly. The lack of WHOIS data and registrant information reduces trust and complicates incident response. Overall, the site would benefit from improved security headers, documented privacy and cookie policies, and clear contact channels for security incidents.
Strategic Recommendations
Priority Actions for Security Improvement
Implement and enforce HTTPS with strong SSL/TLS configuration and verify via external tools.
✨Observations
AI-powered comprehensive website and business analysis.
AI-Enhanced Website Analysis
Business Insights
Simple website that will helps you to build better responsive website and also to test responsive web design
good
consistent
Technical Stack
moderate
good
basic
good
Security Assessment
- No exposed sensitive data in HTML
- No visible vulnerable libraries
Analytics & Tracking
Advertising & Marketing
Website Quality Assessment
Key Observations
Website provides a niche online tool for responsive web design testing.
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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 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
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 DMARC reporting
LOWDMARC aggregate reports not configured
Strict DMARC Alignment
LOWStrict alignment may cause legitimate emails to fail
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
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 63 days
Mixed Content Detected
MEDIUM12 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
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
High-Risk Service Exposed: FTP
HIGHPort 21 (FTP) is publicly accessible - FTP - Often unencrypted file transfer
High-Risk Service Exposed: RPC
HIGHPort 135 (RPC) is publicly accessible - RPC - Windows RPC endpoint
Critical Service Exposed: MSSQL
CRITICALPort 1433 (MSSQL) is publicly accessible - MSSQL - Database server
Critical Service Exposed: MySQL
CRITICALPort 3306 (MySQL) is publicly accessible - MySQL - Database server
Critical Service Exposed: PostgreSQL
CRITICALPort 5432 (PostgreSQL) is publicly accessible - PostgreSQL - Database server
How does isresponsive.com compare?
isresponsive.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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