Is Google Trust Services or ZeroSSL more popular?

Google Trust Services is used by more websites in our catalog: 228,244 use Google Trust Services and 2,425 use ZeroSSL.

Does Google Trust Services or ZeroSSL have higher-authority sites?

Google Trust Services sites have the higher median Ahrefs Domain Rating (Google Trust Services: 30, ZeroSSL: 23).

Is Google Trust Services or ZeroSSL growing faster?

Between 2026-06 and 2026-07, Google Trust Services went from 30% to 26% of all tracked sites, while ZeroSSL went from 0.29% to 0.28%. ZeroSSL is gaining ground faster in our index.

Can a site use both Google Trust Services and ZeroSSL?

No. A site runs a single SSL certificate authority, so Google Trust Services and ZeroSSL are mutually exclusive.

Where does this Google Trust Services vs ZeroSSL data come from?

Adoption is counted from Site Stats Database's own crawl; Domain Rating comes from Ahrefs and traffic from DataForSEO. Figures reflect the sites we track and refresh at least monthly.

Google Trust Services vs ZeroSSL — Site Stats Database

Google Trust Services vs ZeroSSL

A side-by-side comparison of two ssl certificate authorities, based on the 842,065 SSL Authority sites tracked by Site Stats Database.

Last updated July 1, 2026

Metric	Google Trust Services	ZeroSSL
Websites	228,244	2,425
Market share	27%	0.29%
Share of top 10K sites	26%	0.16%

Share of top 100K sites	28%	0.18%

Rank	#2	#9

Median DR	30	23

Average DR	33	28

Median keywords	1,076	1,066

Median referring domains	450	433

Median domain age	12 yrs	11 yrs

Average domain age	14 yrs	13 yrs

Average monthly traffic	128,871	66,319

Combined monthly traffic	29,414,009,983	160,824,401

youtube.com
LanguageEnglish
DR (Ahrefs)99
Total Keywords157,188,909
Referring Domains18,877,970
Domain Age21 yrs
Traffic (Jun 2026)3,508,519,347
Traffic Trend
TechnologyGoogle Trust Services
google.com
LanguageEnglish
DR (Ahrefs)99
Total Keywords14,321,906
Referring Domains28,301,335
Domain Age28 yrs
Traffic (Jun 2026)1,697,994,676
Traffic Trend
Technology
fandom.com
LanguageEnglish
DR (Ahrefs)92
Total Keywords21,866,615
Referring Domains405,077
Domain Age29 yrs
Traffic (Jun 2026)1,021,137,487
Traffic Trend
Technology
clevelandclinic.org
LanguageEnglish
DR (Ahrefs)92
Total Keywords5,266,698
Referring Domains262,751
Domain Age28 yrs
Traffic (Jun 2026)536,244,433
Traffic Trend
Technology
cambridge.org
Language
DR (Ahrefs)92
Total Keywords4,651,462
Referring Domains357,733
Domain Age28 yrs
Traffic (Jun 2026)527,148,452
Traffic Trend
Technology
quora.com
Language
DR (Ahrefs)91
Total Keywords36,342,947
Referring Domains360,723
Domain Age26 yrs
Traffic (Jun 2026)376,801,476
Traffic Trend
TechnologyGoogle Trust Services
mlb.com
LanguageEnglish
DR (Ahrefs)90
Total Keywords1,403,577
Referring Domains165,017
Domain Age31 yrs
Traffic (Jun 2026)376,727,145
Traffic Trend
TechnologyGoogle Trust Services
genius.com
LanguageEnglish
DR (Ahrefs)87
Total Keywords3,824,896
Referring Domains148,123
Domain Age31 yrs
Traffic (Jun 2026)274,953,050
Traffic Trend
Technology
indeed.com
Language
DR (Ahrefs)92
Total Keywords6,459,977
Referring Domains289,179
Domain Age28 yrs
Traffic (Jun 2026)259,330,877
Traffic Trend
Technology
dictionary.com
LanguageEnglish
DR (Ahrefs)90
Total Keywords3,387,790
Referring Domains129,246
Domain Age31 yrs
Traffic (Jun 2026)242,622,664
Traffic Trend
Technology

Website	Language	DR (Ahrefs)	Total Keywords	Referring Domains	Domain Age	Traffic (Jun 2026)	Traffic Trend	Technology
youtube.com	English	99	157,188,909	18,877,970	21 yrs	3,508,519,347		Google Trust Services

dailymotion.com
LanguageEnglish
DR (Ahrefs)91
Total Keywords5,631,851
Referring Domains439,650
Domain Age21 yrs
Traffic (Jun 2026)29,762,292
Traffic Trend
TechnologyZeroSSL
petfinder.com
Language
DR (Ahrefs)86
Total Keywords309,140
Referring Domains35,407
Domain Age28 yrs
Traffic (Jun 2026)17,935,968
Traffic Trend
Technology
purina.com
Language
DR (Ahrefs)80
Total Keywords279,239
Referring Domains20,198
Domain Age30 yrs
Traffic (Jun 2026)15,738,940
Traffic Trend
TechnologyZeroSSL
easemate.ai
LanguageEnglish
DR (Ahrefs)50
Total Keywords31,731
Referring Domains2,281
Domain Age1 yr
Traffic (Jun 2026)12,535,413
Traffic Trend
Technology
chinahighlights.com
LanguageEnglish
DR (Ahrefs)78
Total Keywords76,271
Referring Domains25,545
Domain Age27 yrs
Traffic (Jun 2026)7,779,761
Traffic Trend
Technology
jellycat.com
LanguageEnglish
DR (Ahrefs)71
Total Keywords82,329
Referring Domains4,508
Domain Age26 yrs
Traffic (Jun 2026)4,163,338
Traffic Trend
Technology
sf.gov
LanguageEnglish
DR (Ahrefs)83
Total Keywords125,412
Referring Domains18,090
Domain Age10 yrs
Traffic (Jun 2026)3,627,926
Traffic Trend
TechnologyZeroSSL
screener.in
LanguageEnglish
DR (Ahrefs)72
Total Keywords59,916
Referring Domains4,356
Domain Age16 yrs
Traffic (Jun 2026)2,799,998
Traffic Trend
Technology
finedictionary.com
LanguageEnglish
DR (Ahrefs)40
Total Keywords282,639
Referring Domains2,583
Domain Age13 yrs
Traffic (Jun 2026)2,352,439
Traffic Trend
Technology
kwickmenu.com
LanguageEnglish
DR (Ahrefs)76
Total Keywords120,864
Referring Domains2,786
Domain Age9 yrs
Traffic (Jun 2026)1,927,802
Traffic Trend
Technology