SSL Usage Distribution in the Top 1 Million Sites

Distribution for websites using SSL providers

Top In SSL Usage Distribution in the Top 1 Million Sites

Technology	Websites	%
SSL by Default	778,623	77.86
HSTS	425,819	42.58
LetsEncrypt	406,899	40.69
DigiCert SSL	90,034	9
Amazon SSL	86,909	8.69
Sectigo SSL	61,591	6.16
GlobalSign	34,463	3.45
GoDaddy SSL	34,359	3.44
Common Name Invalid	33,623	3.36
Invalid Certificate Dates	32,348	3.23
GeoTrust SSL	30,277	3.03
Symantec Secure Site	14,847	1.48
RapidSSL	13,942	1.39
AlphaSSL	12,486	1.25
Cloudflare SSL	12,278	1.23
GlobalSign OV	9,929	0.99
Thawte SSL	7,397	0.74
Entrust SSL	6,867	0.69
Entrust EV	6,656	0.67
Starfield Technologies	6,055	0.61
Encryption Everywhere	5,341	0.53
CPanel SSL	4,617	0.46
CERTUM	3,501	0.35
GoGetSSL	2,247	0.22
TrustAsia	1,742	0.17
JPRS	1,537	0.15
SwissSign	1,461	0.15
Network Solutions SSL	1,282	0.13
GlobalSign EV	1,206	0.12
Comodo SSL	1,175	0.12
InCommon	988	0.1
FujiSSL	845	0.08
SSL.com	831	0.08
TWCA	558	0.06
WoTrus	540	0.05
Buypass	511	0.05
QuoVadis	489	0.05
MrDomain	435	0.04
Corporation Service Company SSL	320	0.03
Telia Finland SSL	239	0.02
China Financial Certification Authority	218	0.02
HydrantID	218	0.02
Trustico DV	157	0.02
Bundesdruckerei	155	0.02
Microsoft SSL	149	0.01
certSIGN	128	0.01
Hongkong Post SSL	126	0.01
NETLOCK	111	0.01
TERENA	104	0.01
SecureCore	87	0.01
USERTrust	81	0.01
Gandi Standard SSL	72	0.01
TBS INTERNET	70	0.01
Isimtescil SSL	55	0.01
Symantec Secure Site Pro	54	0.01
Site Blindado	52	0.01
Gehirn	41	0
Symantec Secure Site Pro EV	35	0
Network Solutions EV	27	0
AffirmTrust	19	0
Extended Validation Certificate	16	0
WISeKey	15	0
XTrust	13	0
Wells Fargo SSL	13	0
Trustwave SSL	10	0
United SSL	9	0
Symantec Secure Site with EV	8	0
TeleSec	6	0
EV United States	6	0
Aetna	5	0
McAfee SSL	5	0
Telia Company	5	0
Heroku SSL	4	0
Google SSL	4	0
Azure SSL	4	0
CAcert	3	0
Symantec VeriSign	3	0
Gandi Pro SSL	2	0
Apple SSL	2	0
Strato SSL	1	0
Internet Widgits Pty Ltd	1	0
KDDI SSL	1	0
EV United Kingdom	1	0
Camerfirma	1	0
Akamai SSL	1	0
Hostway SSL	1	0
DreamHost SSL	1	0
Fiducia GAD IT AG	1	0