Usage Distribution in the Top 1 Million Sites

Distribution for websites using providers

Top In Usage Distribution in the Top 1 Million Sites

Technology	Websites	%
SSL by Default	738,811	73.88
LetsEncrypt	432,879	43.29
HSTS	390,641	39.06
DigiCert SSL	84,594	8.46
Amazon SSL	81,593	8.16
Sectigo SSL	59,233	5.92
GlobalSign	33,515	3.35
GoDaddy SSL	32,855	3.29
Common Name Invalid	29,585	2.96
Cloudflare SSL	28,887	2.89
Invalid Certificate Dates	27,412	2.74
GeoTrust SSL	26,773	2.68
RapidSSL	13,946	1.39
Symantec Secure Site	12,438	1.24
AlphaSSL	12,344	1.23
CPanel SSL	10,977	1.1
GlobalSign OV	8,372	0.84
Thawte SSL	7,228	0.72
Entrust SSL	6,861	0.69
Entrust EV	6,673	0.67
Starfield Technologies	5,682	0.57
Encryption Everywhere	5,250	0.52
CERTUM	3,177	0.32
GoGetSSL	2,110	0.21
TrustAsia	1,931	0.19
JPRS	1,569	0.16
SwissSign	1,293	0.13
GlobalSign EV	1,180	0.12
Network Solutions SSL	1,167	0.12
Comodo SSL	1,062	0.11
InCommon	936	0.09
FujiSSL	883	0.09
SSL.com	714	0.07
Gandi Standard SSL	653	0.07
Corporation Service Company SSL	629	0.06
QuoVadis	614	0.06
TWCA	547	0.05
Buypass	448	0.04
MrDomain	446	0.04
WoTrus	445	0.04
Telia Finland SSL	222	0.02
China Financial Certification Authority	200	0.02
SecureCore	196	0.02
HydrantID	173	0.02
Trustico DV	165	0.02
Microsoft SSL	139	0.01
NETLOCK	130	0.01
Bundesdruckerei	128	0.01
Hongkong Post SSL	113	0.01
Trustwave SSL	107	0.01
certSIGN	100	0.01
TERENA	88	0.01
TBS INTERNET	73	0.01
USERTrust	70	0.01
Site Blindado	69	0.01
Symantec Secure Site Pro	61	0.01
Isimtescil SSL	47	0
Symantec Secure Site Pro EV	36	0
Gehirn	32	0
Azure SSL	29	0
Network Solutions EV	26	0
Aetna	21	0
AffirmTrust	20	0
XTrust	18	0
Gandi Pro SSL	18	0
Wells Fargo SSL	15	0
Symantec Secure Site with EV	14	0
United SSL	13	0
WISeKey	9	0
Extended Validation Certificate	7	0
TeleSec	6	0
McAfee SSL	5	0
Telia Company	5	0
Apple SSL	4	0
CAcert	3	0
EV United States	3	0
Digi-Sign	2	0
Google SSL	1	0
Strato SSL	1	0
Trustwave EV	1	0
Internet Widgits Pty Ltd	1	0
KDDI SSL	1	0
Akamai SSL	1	0
AlwaysOnSSL	1	0
Symantec VeriSign	1	0
Government of Korea SSL	1	0
Camerfirma	1	0
Hostway SSL	1	0
DreamHost SSL	1	0
Fiducia GAD IT AG	1	0