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	769,146	76.91
HSTS	430,259	43.03
LetsEncrypt	392,984	39.3
DigiCert SSL	85,972	8.6
Amazon SSL	84,047	8.4
Sectigo SSL	60,204	6.02
GlobalSign	33,595	3.36
GoDaddy SSL	32,873	3.29
Common Name Invalid	28,656	2.87
GeoTrust SSL	28,652	2.87
Invalid Certificate Dates	25,562	2.56
Symantec Secure Site	14,655	1.47
RapidSSL	13,274	1.33
AlphaSSL	11,843	1.18
GlobalSign OV	9,720	0.97
Thawte SSL	7,184	0.72
Starfield Technologies	5,896	0.59
Entrust SSL	5,817	0.58
Entrust EV	5,576	0.56
Encryption Everywhere	4,333	0.43
Cloudflare SSL	3,496	0.35
CERTUM	3,063	0.31
GoGetSSL	2,119	0.21
SwissSign	1,555	0.16
TrustAsia	1,530	0.15
JPRS	1,397	0.14
Network Solutions SSL	1,311	0.13
GlobalSign EV	1,165	0.12
Comodo SSL	1,151	0.12
InCommon	987	0.1
SSL.com	835	0.08
FujiSSL	766	0.08
TWCA	660	0.07
WoTrus	569	0.06
Buypass	461	0.05
QuoVadis	438	0.04
MrDomain	422	0.04
CPanel SSL	414	0.04
Corporation Service Company SSL	331	0.03
HydrantID	249	0.02
Telia Finland SSL	221	0.02
China Financial Certification Authority	216	0.02
Bundesdruckerei	170	0.02
Trustico DV	154	0.02
Microsoft SSL	148	0.01
Hongkong Post SSL	133	0.01
certSIGN	113	0.01
NETLOCK	96	0.01
Gandi Standard SSL	80	0.01
TERENA	78	0.01
USERTrust	75	0.01
TBS INTERNET	71	0.01
Isimtescil SSL	50	0
Site Blindado	50	0
Symantec Secure Site Pro	42	0
Network Solutions EV	28	0
Gehirn	26	0
Symantec Secure Site Pro EV	24	0
Trustwave SSL	17	0
WISeKey	16	0
AffirmTrust	14	0
Wells Fargo SSL	14	0
Extended Validation Certificate	12	0
United SSL	8	0
Symantec Secure Site with EV	8	0
Aetna	7	0
EV United States	6	0
Azure SSL	6	0
Heroku SSL	5	0
SecureCore	5	0
CAcert	5	0
McAfee SSL	5	0
Telia Company	5	0
Google SSL	4	0
TeleSec	4	0
Gandi Pro SSL	4	0
Symantec VeriSign	3	0
Internet Widgits Pty Ltd	1	0
KDDI SSL	1	0
Camerfirma	1	0
Akamai SSL	1	0
Hostway SSL	1	0
Apple SSL	1	0
DreamHost SSL	1	0
Fiducia GAD IT AG	1	0