Total Rows: 869344 

Security Headers Grades:
A 23,336
A+ 3,538
B 21,081
C 31,162
D 117,723
E 11,796
F 660,596
R 112

Sites using strict-transport-security:
132,022

Sites using content-security-policy:
51,902

Sites using content-security-policy-report-only:
2,347

Sites using x-webkit-csp:
646

Sites using x-content-security-policy:
1,878

Sites using public-key-pins:
686

Sites using public-key-pins-report-only:
38

Sites using x-content-type-options:
150,404

Sites using x-frame-options:
156,367

Sites using x-xss-protection:
119,724

Sites using x-download-options:
18,836

Sites using x-permitted-cross-domain-policies:
17,190

Sites using access-control-allow-origin:
36,667

Sites using referrer-policy:
36,490

Sites using feature-policy:
4,416

Sites using report-to:
12,261

Sites using nel:
12,049

Sites using security.txt:
1,775

Sites redirecting to HTTPS:
525,754

Sites using Let's Encrypt certificate:
182,858

Sites using EV Certificates:
15,006

Top 10 Server headers:
Apache 180,613
cloudflare 148,209
nginx 142,106
Microsoft-IIS/7.5 39,280
Microsoft-IIS/8.5 24,998
Microsoft-IIS/10.0 17,180
LiteSpeed 16,152
openresty 11,860
nginx/1.16.1 10,582
Apache/2 8,280

Top 10 TLDs:
.com 489,983
.org 66,074
.net 39,918
.ru 26,580
.de 16,575
.uk 14,389
.cn 13,888
.jp 8,546
.br 8,361
.info 7,065

Top 10 Certificate Issuers:
C = US, O = Let's Encrypt, CN = Let's Encrypt Authority X3 182,857
C = US, ST = CA, L = San Francisco, O = "CloudFlare, Inc.", CN = CloudFlare Inc ECC CA-2 94,086
C = GB, ST = Greater Manchester, L = Salford, O = Sectigo Limited, CN = Sectigo RSA Domain Validation Secure Server CA 35,430
C = US, ST = Arizona, L = Scottsdale, O = "GoDaddy.com, Inc.", OU = http://certs.godaddy.com/repository/, CN = Go Daddy Secure Certificate Authority - G2 34,839
C = US, O = Amazon, OU = Server CA 1B, CN = Amazon 23,205
C = US, ST = TX, L = Houston, O = "cPanel, Inc.", CN = "cPanel, Inc. Certification Authority" 16,844
C = US, O = DigiCert Inc, CN = DigiCert SHA2 Secure Server CA 15,629
C = GB, ST = Greater Manchester, L = Salford, O = COMODO CA Limited, CN = COMODO RSA Domain Validation Secure Server CA 11,638
C = US, O = DigiCert Inc, OU = www.digicert.com, CN = RapidSSL RSA CA 2018 10,935
C = US, O = DigiCert Inc, OU = www.digicert.com, CN = GeoTrust RSA CA 2018 9,023

Top 10 Protocols:

Top 10 Cipher Suites:

Top 10 PFS Key Exchange Params:

Top Key Sizes:

Sites using CAA:
18,095