Total Rows:  

Security Headers Grades:
 

Sites using strict-transport-security:  
Sites using content-security-policy:  
Sites using content-security-policy-report-only:  
Sites using x-webkit-csp:  
Sites using x-content-security-policy:  
Sites using public-key-pins:  
Sites using public-key-pins-report-only:  
Sites using x-content-type-options:  
Sites using x-frame-options:  
Sites using x-xss-protection:  
Sites using x-download-options:  
Sites using x-permitted-cross-domain-policies:  
Sites using access-control-allow-origin:  
Sites using referrer-policy:  

Sites redirecting to HTTPS:  
Sites using Let's Encrypt certificate:  

Top 10 Server headers:
 

Top 10 TLDs:
 

Top 10 Certificate Issuers:
 
Top 10 Protocols:
 
Top 10 Cipher Suites:
 
Top 10 PFS Key Exchange Params:
 
Top Key Sizes:
 
