Total Rows: 805753 Security Headers Grades: A 39,471 A+ 4,145 B 34,366 C 39,071 D 156,548 E 17,125 F 514,894 R 133 Sites using strict-transport-security: 209,329 Sites using content-security-policy: 96,657 Sites using content-security-policy-report-only: 5,969 Sites using x-webkit-csp: 731 Sites using x-content-security-policy: 2,924 Sites using public-key-pins: 440 Sites using public-key-pins-report-only: 36 Sites using x-content-type-options: 207,780 Sites using x-frame-options: 219,856 Sites using x-xss-protection: 144,908 Sites using x-download-options: 26,268 Sites using x-permitted-cross-domain-policies: 29,255 Sites using access-control-allow-origin: 42,555 Sites using referrer-policy: 97,741 Sites using feature-policy: 5,490 Sites using permissions-policy: 35,548 Sites using report-to: 192,429 Sites using nel: 191,232 Sites using security.txt: 8,525 Sites redirecting to HTTPS: 612,819 Sites using Let's Encrypt certificate: 266,630 Sites using EV Certificates: 6,843 Top 10 Server headers: cloudflare 232,469 nginx 141,098 Apache 111,337 LiteSpeed 27,871 Microsoft-IIS/10.0 17,458 openresty 16,837 nginx/1.18.0 (Ubuntu) 7,114 AmazonS3 6,710 Microsoft-IIS/8.5 6,694 Apache/2 5,199 Top 10 TLDs: .com 377,428 .ru 47,568 .org 43,144 .net 39,854 .de 19,094 .uk 13,884 .top 10,525 .jp 8,268 .br 8,079 .in 7,877 Top 10 Certificate Issuers: C = US, O = Let's Encrypt, CN = R3 240,554 C = US, O = "Cloudflare, Inc.", CN = Cloudflare Inc ECC CA-3 72,414 C = US, O = Google Trust Services LLC, CN = GTS CA 1P5 68,438 C = GB, ST = Greater Manchester, L = Salford, O = Sectigo Limited, CN = Sectigo RSA Domain Validation Secure Server CA 31,594 C = US, O = Let's Encrypt, CN = E1 26,023 C = US, ST = Arizona, L = Scottsdale, O = "GoDaddy.com, Inc.", OU = http://certs.godaddy.com/repository/, CN = Go Daddy Secure Certificate Authority - G2 16,881 C = US, O = Amazon, CN = Amazon RSA 2048 M01 14,988 C = US, O = Amazon, CN = Amazon RSA 2048 M02 14,852 C = US, ST = TX, L = Houston, O = "cPanel, Inc.", CN = "cPanel, Inc. Certification Authority" 14,641 C = US, O = DigiCert Inc, CN = DigiCert TLS RSA SHA256 2020 CA1 13,212 TLS Protocol Versions: TLSv1.3 441,278 TLSv1.2 153,712 TLSv1.0 364 Top 10 Cipher Suites: TLS_AES_256_GCM_SHA384 388,928 ECDHE-RSA-AES256-GCM-SHA384 77,765 ECDHE-RSA-AES128-GCM-SHA256 55,482 TLS_AES_128_GCM_SHA256 45,916 ECDHE-RSA-CHACHA20-POLY1305 7,233 TLS_CHACHA20_POLY1305_SHA256 6,434 ECDHE-RSA-AES256-SHA384 5,346 ECDHE-ECDSA-AES256-GCM-SHA384 2,358 ECDHE-ECDSA-CHACHA20-POLY1305 1,687 ECDHE-ECDSA-AES128-GCM-SHA256 1,212 Top 10 PFS Key Exchange Params: X25519, 253 bits 481,053 ECDH, P-256, 256 bits 92,568 ECDH, P-384, 384 bits 16,307 ECDH, P-521, 521 bits 3,186 DH, 1024 bits 713 DH, 2048 bits 546 DH, 4096 bits 17 X448, 448 bits 8 DH, 3072 bits 3 Top Key Sizes: 2048 bit 424,921 256 bit 116,196 4096 bit 41,975 384 bit 8,084 3072 bit 3,060 1024 bit 131 8192 bit 21 521 bit 8 2096 bit 1 3112 bit 1 Sites using CAA: 41,330 HTTP Protocol Versions: http/2.0 493,167 http/1.1 311,614 http/1.0 933