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Deep Analysis Tool

Website Security Scanner

Perform a comprehensive security scan on any website. Get a detailed report card with grades for SSL, content risk posture, content categories, and subdomain analysis.

Scan a Website

google.cominstagram.comyoutube.comlinkedin.comfacebook.comgithub.com

Trial scan returns the web filtering category. Free trial: 20 lookups per visitor.

Sample Security Report

Here is an example of the comprehensive security report generated for a scanned website.

google.com

Country: United States · 12 filtering categories assigned

A
A+
SSL/TLS Security

Valid certificate from DigiCert. TLS 1.3 supported. HSTS enabled. Certificate expires in 348 days.

A
content risk Assessment

No unsafe content, or suspicious activity detected. Not listed on any security blacklists.

A
Content Classification

Categorized as Technology, Software Development, Cloud Services. No restricted or flagged categories.

B+
Privacy & Headers

Content-Security-Policy present. X-Frame-Options set. Minor improvement suggested for Permissions-Policy header.

Detailed Scan Results

A breakdown of the technical details revealed by the website security scan.

SSL Certificate

  • IssuerDigiCert Inc
  • ProtocolTLS 1.3
  • Key Size256-bit ECDSA
  • ExpiresMar 2027
  • HSTSEnabled

Server Info

  • IP Address140.82.121.4
  • ServerGitHub.com
  • HTTP/2Supported
  • IPv6Enabled
  • CDNFastly

Security Headers

  • CSPPresent
  • X-Frame-OptionsDENY
  • X-Content-Typenosniff
  • Referrer-Policystrict
  • Permissions-PolicyPartial

Discovered Subdomains

Our scanner identifies active subdomains and checks their security posture individually.

Subdomain IP Address SSL Status Category Status
www.github.com 140.82.121.4 Valid Technology Active
api.github.com 140.82.121.6 Valid API / Web Services Active
gist.github.com 140.82.121.4 Valid Software Development Active
pages.github.com 185.199.108.153 Valid Web Hosting Active
education.github.com 140.82.121.4 Valid Education Active
docs.github.com 185.199.109.154 Valid Documentation Active

What the Scanner Checks

Our deep analysis covers every aspect of a website's security and content profile.

SSL/TLS Analysis

Full certificate chain validation, protocol version checking, cipher suite analysis, and HSTS header detection.

Subdomain Discovery

Identifies active subdomains through DNS enumeration and certificate transparency logs. Each subdomain is individually assessed.

Content Categorization

Classifies the website across 59 content categories. Supports multi-label classification for diverse sites with multiple content types.

Vulnerability Hints

Checks for common misconfigurations like missing security headers, exposed server versions, and insecure cookie settings.

Historical Tracking

Track how a website's security grade changes over time. Get alerts when a previously safe domain becomes compromised.

Exportable Reports

Download the full security report as a PDF for compliance documentation, management presentations, or vendor assessments.

Automate Website Security Scanning

Use our API to continuously monitor your domains and third-party vendor sites. Get instant alerts when security posture changes.