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	672,513	67.25
LetsEncrypt	479,497	47.95
HSTS	328,852	32.89
Cloudflare SSL	149,168	14.92
DigiCert SSL	101,554	10.16
HSTS IncludeSubdomains PreLoad	87,040	8.7
Sectigo SSL	81,100	8.11
Amazon SSL	72,692	7.27
Common Name Invalid	72,164	7.22
CPanel SSL	49,446	4.94
GlobalSign	38,775	3.88
GoDaddy SSL	36,173	3.62
Invalid Certificate Dates	32,543	3.25
GeoTrust SSL	25,101	2.51
RapidSSL	19,246	1.92
Symantec Secure Site	17,667	1.77
Encryption Everywhere	15,777	1.58
AlphaSSL	15,427	1.54
Thawte SSL	10,074	1.01
Starfield Technologies	9,305	0.93
Entrust SSL	7,031	0.7
Entrust EV	6,846	0.68
TrustAsia	6,211	0.62
CERTUM	3,838	0.38
Comodo SSL	2,939	0.29
GoGetSSL	2,763	0.28
Gandi Standard SSL	2,417	0.24
Network Solutions SSL	1,780	0.18
JPRS	1,679	0.17
Internet Widgits Pty Ltd	1,460	0.15
Corporation Service Company SSL	1,367	0.14
GlobalSign EV	1,206	0.12
Microsoft SSL	1,173	0.12
InCommon	1,158	0.12
Azure SSL	1,140	0.11
QuoVadis	1,135	0.11
SwissSign	994	0.1
SSL.com	926	0.09
DreamHost SSL	924	0.09
Parallels SSL	920	0.09
SecureCore	840	0.08
FujiSSL	809	0.08
TWCA	631	0.06
WoTrus	613	0.06
Buypass	469	0.05
Trustwave SSL	465	0.05
Gehirn	464	0.05
TERENA	423	0.04
MrDomain	360	0.04
TeleSec	334	0.03
China Financial Certification Authority	265	0.03
Symantec VeriSign	248	0.02
Trustico DV	224	0.02
HydrantID	189	0.02
Telia Finland SSL	170	0.02
Bundesdruckerei	166	0.02
USERTrust	148	0.01
NETLOCK	141	0.01
StartSSL	131	0.01
Telia Company	127	0.01
Hongkong Post SSL	124	0.01
certSIGN	113	0.01
TBS INTERNET	97	0.01
Symantec Secure Site Pro	75	0.01
Testing Purposes SSL	61	0.01
Isimtescil SSL	57	0.01
Gandi Pro SSL	57	0.01
Site Blindado	56	0.01
Symantec Secure Site Pro EV	45	0
Network Solutions EV	40	0
WoSign	39	0
Comodo PositiveSSL	35	0
Apache Haus	33	0
OVH SSL	32	0
Strato SSL	29	0
Aetna	27	0
United SSL	26	0
EssentialSSL	24	0
CAcert	23	0
Wells Fargo SSL	22	0
XTrust	19	0
AffirmTrust	19	0
WISeKey	16	0
Government of Korea SSL	14	0
Symantec Secure Site with EV	14	0
Trustwave EV	13	0
Google SSL	12	0
McAfee SSL	10	0
Camerfirma	7	0
KDDI SSL	4	0
Digi-Sign	4	0
Trend Micro SSL	4	0
Apple SSL	4	0
AlwaysOnSSL	3	0
CyberTrust Verizon Japan EV	3	0
Signsec	2	0
Verisign EV	2	0
Akamai SSL	2	0
Verisign EV SGC	2	0
Thawte EV	1	0
Fastly SSL	1	0
Fishdrowned	1	0
Hostway SSL	1	0
Teleflora SSL	1	0
TurkTrust Inc	1	0