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	727,653	72.77
LetsEncrypt	475,953	47.6
HSTS	390,207	39.02
DigiCert SSL	96,314	9.63
Amazon SSL	85,887	8.59
Sectigo SSL	69,204	6.92
Common Name Invalid	63,433	6.34
GlobalSign	38,558	3.86
Cloudflare SSL	36,888	3.69
Invalid Certificate Dates	36,577	3.66
GoDaddy SSL	35,592	3.56
GeoTrust SSL	29,425	2.94
CPanel SSL	23,301	2.33
RapidSSL	17,229	1.72
AlphaSSL	14,574	1.46
Symantec Secure Site	14,049	1.4
Thawte SSL	8,734	0.87
GlobalSign OV	7,972	0.8
Entrust SSL	7,405	0.74
Entrust EV	7,191	0.72
Starfield Technologies	6,870	0.69
Encryption Everywhere	6,828	0.68
CERTUM	3,559	0.36
TrustAsia	3,069	0.31
GoGetSSL	2,591	0.26
JPRS	2,144	0.21
Network Solutions SSL	1,370	0.14
SwissSign	1,369	0.14
GlobalSign EV	1,283	0.13
Comodo SSL	1,199	0.12
FujiSSL	1,131	0.11
InCommon	1,000	0.1
Gandi Standard SSL	987	0.1
SSL.com	856	0.09
Corporation Service Company SSL	761	0.08
QuoVadis	681	0.07
TWCA	618	0.06
WoTrus	596	0.06
SecureCore	582	0.06
MrDomain	527	0.05
Buypass	514	0.05
Microsoft SSL	450	0.04
China Financial Certification Authority	264	0.03
Gehirn	255	0.03
Telia Finland SSL	234	0.02
Trustico DV	227	0.02
HydrantID	195	0.02
Trustwave SSL	165	0.02
NETLOCK	150	0.02
TERENA	148	0.01
Bundesdruckerei	134	0.01
Hongkong Post SSL	112	0.01
certSIGN	111	0.01
USERTrust	96	0.01
TBS INTERNET	85	0.01
Site Blindado	81	0.01
Symantec Secure Site Pro	80	0.01
Azure SSL	59	0.01
Isimtescil SSL	48	0
Symantec Secure Site Pro EV	46	0
Network Solutions EV	28	0
XTrust	24	0
Aetna	23	0
AffirmTrust	22	0
Gandi Pro SSL	21	0
Symantec Secure Site with EV	16	0
Wells Fargo SSL	15	0
United SSL	13	0
WISeKey	10	0
TeleSec	9	0
McAfee SSL	9	0
CAcert	8	0
Extended Validation Certificate	7	0
Telia Company	5	0
Google SSL	4	0
Strato SSL	4	0
Apple SSL	4	0
OVH SSL	3	0
Internet Widgits Pty Ltd	3	0
Trustwave EV	3	0
EV United States	3	0
Digi-Sign	2	0
AlwaysOnSSL	2	0
Symantec VeriSign	2	0
Akamai SSL	2	0
Testing Purposes SSL	1	0
KDDI SSL	1	0
Government of Korea SSL	1	0
Camerfirma	1	0
CyberTrust Verizon Japan EV	1	0
Hostway SSL	1	0
DreamHost SSL	1	0
Fiducia GAD IT AG	1	0