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SECURITY SCORE
Certificate Information
Subject
CN=web.app
Issuer
C=US, O=Google Trust Services, CN=WR4
Valid From
January 05, 2026
Valid Until
April 05, 2026
65 days
Public Key
RSA
2048 bit
Adequate
Signature Algorithm
SHA256-RSA
SHA-256 Fingerprint
82:B4:DD:07:D6:47:86:3A:C9:76:59:97:94:F8:7D:22:47:B4:01:4F:0B:66:5E:12:21:9C:AD:0D:78:9F:DB:BA
Alternative Names
Security Configuration
TLS Protocols
TLS 1.2
TLS 1.3
Forward Secrecy
Supported
(Modern clients use PFS)
HTTP Security Headers
Status
Strict-Transport-Security
Excellent
max-age=31556926; includeSubDomains; preload
Content-Security-Policy
Good
default-src; script-src; style-src; +6 more
default-src 'self'; script-src 'self' 'unsafe-inline' 'unsafe-hashes' https://cdn.jsdelivr.net https://code.iconify.design https://unpkg.com https://apis.google.com https://www.googletagmanager.com; style-src 'self' 'unsafe-inline' https://fonts.googleapis.com https://storage.googleapis.com https://cdn.jsdelivr.net https://unpkg.com; font-src 'self' https://fonts.gstatic.com https://cdn.jsdelivr.net https://unpkg.com data:; img-src 'self' data: https://firebasestorage.googleapis.com https://lh3.googleusercontent.com https://images.unsplash.com https://grainy-gradients.vercel.app; connect-src 'self' https://identitytoolkit.googleapis.com https://firestore.googleapis.com https://securetoken.googleapis.com https://api-q6zgmg77pa-uc.a.run.app http://localhost:* ws://localhost:* https://api.iconify.design https://api.unisvg.com https://api.simplesvg.com https://storage.googleapis.com https://cdn.jsdelivr.net; frame-src 'self' https://*.firebaseapp.com; object-src 'none'; base-uri 'self';
X-Frame-Options
Missing
Not configured
X-Content-Type-Options
Missing
Not configured
Referrer-Policy
Missing
Not configured
Permissions-Policy
Missing
Not configured
Recommendations
- • Strengthen CSP by removing 'unsafe-eval'
- • Add X-Frame-Options: DENY or SAMEORIGIN to prevent clickjacking
- • Add X-Content-Type-Options: nosniff
- • Add Referrer-Policy header (recommended: strict-origin-when-cross-origin)
- • Consider adding Permissions-Policy to control browser features
CAA Records (Certificate Authority Authorization)
CAA Records
Not Configured
(Any CA can issue certificates)
CAA Issues
- • No CAA records configured - any CA can issue certificates
Recommendations
- • Implement CAA records to restrict which CAs can issue certificates for your domain
- • This adds an extra layer of security against unauthorized certificate issuance
- • Example: Add CAA record 'example.com. CAA 0 issue "letsencrypt.org"'
- • Consider adding 'iodef' record to receive security incident reports