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