Total Rows: 703704 

Security Headers Grades:
A 51,991
A+ 8,109
B 61,889
C 35,513
D 141,622
E 22,193
F 380,903
R 1,484

Sites using strict-transport-security:
214,162

Sites using content-security-policy:
143,446

Sites using content-security-policy-report-only:
8,363

Sites using x-webkit-csp:
511

Sites using x-content-security-policy:
2,766

Sites using public-key-pins:
554

Sites using public-key-pins-report-only:
11

Sites using x-content-type-options:
267,151

Sites using x-frame-options:
280,595

Sites using x-xss-protection:
139,659

Sites using x-download-options:
33,421

Sites using x-permitted-cross-domain-policies:
41,820

Sites using access-control-allow-origin:
42,310

Sites using referrer-policy:
196,749

Sites using feature-policy:
3,924

Sites using permissions-policy:
86,493

Sites using report-to:
248,641

Sites using nel:
245,770

Sites using security.txt:
8,281

Sites redirecting to HTTPS:
563,718

Sites using Let's Encrypt certificate:
260,927

Sites using EV Certificates:
3,565

Top 10 Server headers:
cloudflare 309,774
nginx 90,231
Apache 58,687
LiteSpeed 19,574
Microsoft-IIS/10.0 12,839
AmazonS3 7,712
nginx/1.24.0 (Ubuntu) 7,016
openresty 6,958
Vercel 6,521
CloudFront 5,252

Top 10 TLDs:
.com 308,171
.net 29,827
.org 29,285
.uk 25,161
.ru 24,765
.de 22,254
.br 12,585
.nl 11,175
.jp 9,330
.in 7,929

Top 10 Certificate Issuers:
C = US, O = Google Trust Services, CN = WE1 164,173
C = US, O = Let's Encrypt, CN = R12 58,560
C = US, O = Let's Encrypt, CN = R13 58,233
C = US, O = Let's Encrypt, CN = E7 49,867
C = US, O = Let's Encrypt, CN = E8 49,853
C = GB, O = Sectigo Limited, CN = Sectigo Public Server Authentication CA DV R36 17,015
C = US, O = Amazon, CN = Amazon RSA 2048 M04 14,861
C = US, O = Amazon, CN = Amazon RSA 2048 M01 13,167
C = US, O = Let's Encrypt, CN = YE1 12,537
C = US, O = Let's Encrypt, CN = YE2 12,460

TLS Protocol Versions:
TLSv1.3 477,265
TLSv1.2 58,677
TLSv1.0 89

Top 10 Cipher Suites:
TLS_AES_256_GCM_SHA384 407,886
TLS_AES_128_GCM_SHA256 67,479
ECDHE-RSA-AES256-GCM-SHA384 26,827
ECDHE-RSA-AES128-GCM-SHA256 19,036
ECDHE-ECDSA-CHACHA20-POLY1305 4,658
ECDHE-RSA-CHACHA20-POLY1305 2,528
ECDHE-ECDSA-AES256-GCM-SHA384 2,380
TLS_CHACHA20_POLY1305_SHA256 1,900
ECDHE-RSA-AES256-SHA384 1,232
ECDHE-ECDSA-AES128-GCM-SHA256 1,136

Top 10 PFS Key Exchange Params:
X25519, 253 bits 487,905
ECDH, P-256, 256 bits 32,254
ECDH, P-384, 384 bits 10,998
ECDH, P-521, 521 bits 4,153
DH, 1024 bits 224
DH, 2048 bits 145
DH, 4096 bits 17
X448, 448 bits 14
DH, 3072 bits 3

Top Key Sizes:
256 bit 274,106
2048 bit 218,529
4096 bit 33,059
384 bit 6,867
3072 bit 3,089
1024 bit 50
8192 bit 11
2056 bit 2

Sites using CAA:
39,558

HTTP Protocol Versions:
http/2.0 488,280
http/1.1 214,849
http/1.0 549