Is Hellenic Academic and Research Institutions CA or Starfield Technologies more popular?

Hellenic Academic and Research Institutions CA is used by more websites in our catalog: 1,161 use Hellenic Academic and Research Institutions CA and 373 use Starfield Technologies.

Does Hellenic Academic and Research Institutions CA or Starfield Technologies have higher-authority sites?

Hellenic Academic and Research Institutions CA sites have the higher median Ahrefs Domain Rating (Hellenic Academic and Research Institutions CA: 75, Starfield Technologies: 24).

Is Hellenic Academic and Research Institutions CA or Starfield Technologies growing faster?

Between 2026-06 and 2026-07, Hellenic Academic and Research Institutions CA went from 0.17% to 0.13% of all tracked sites, while Starfield Technologies went from 0.02% to 0.04%. Starfield Technologies is gaining ground faster in our index.

Hellenic Academic and Research Institutions CA vs Starfield Technologies — Site Stats Database

Hellenic Academic and Research Institutions CA vs Starfield Technologies

Q: Can a site use both Hellenic Academic and Research Institutions CA and Starfield Technologies?

No. A site runs a single SSL certificate authority, so Hellenic Academic and Research Institutions CA and Starfield Technologies are mutually exclusive.

Q: Where does this Hellenic Academic and Research Institutions CA vs Starfield Technologies 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.

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	Hellenic Academic and Research Institutions CA	Starfield Technologies
Websites	1,161	373
Market share	0.14%	0.04%
Share of top 10K sites

Share of top 100K sites	0.06%	0.02%

Rank	#11	#21

Median DR	75	24

Average DR	74	25

Median keywords	658	858

Median referring domains	5,129	271

Median domain age	26 yrs	18 yrs

Average domain age	24 yrs	18 yrs

Average monthly traffic	13,566	29,140

Combined monthly traffic	15,749,601	10,869,185

mpg.de
LanguageGerman
DR (Ahrefs)89
Total Keywords61,365
Referring Domains103,616
Domain Age
Traffic (Jun 2026)560,707
Traffic Trend
TechnologyHellenic Academic and Research Institutions CA
ucm.es
LanguageSpanish
DR (Ahrefs)84
Total Keywords21,955
Referring Domains58,616
Domain Age
Traffic (Jun 2026)520,587
Traffic Trend
TechnologyHellenic Academic and Research Institutions CA
eso.org
LanguageEnglish
DR (Ahrefs)82
Total Keywords18,717
Referring Domains32,647
Domain Age35 yrs
Traffic (Jun 2026)398,404
Traffic Trend
TechnologyHellenic Academic and Research Institutions CA
cun.es
LanguageSpanish
DR (Ahrefs)75
Total Keywords72,981
Referring Domains9,254
Domain Age
Traffic (Jun 2026)394,191
Traffic Trend
TechnologyHellenic Academic and Research Institutions CA
hal.science
LanguageEnglish
DR (Ahrefs)85
Total Keywords68,893
Referring Domains58,817
Domain Age
Traffic (Jun 2026)357,126
Traffic Trend
Technology
belgium.be
LanguageEnglish
DR (Ahrefs)90
Total Keywords12,117
Referring Domains64,675
Domain Age31 yrs
Traffic (Jun 2026)290,046
Traffic Trend
Technology
astro4edu.org
LanguageEnglish
DR (Ahrefs)48
Total Keywords15,128
Referring Domains1,030
Domain Age6 yrs
Traffic (Jun 2026)262,741
Traffic Trend
Technology
plantnet.org
LanguageEnglish
DR (Ahrefs)74
Total Keywords11,086
Referring Domains7,165
Domain Age12 yrs
Traffic (Jun 2026)234,714
Traffic Trend
Technology
bund.de
LanguageEnglish
DR (Ahrefs)94
Total Keywords99,279
Referring Domains462,466
Domain Age
Traffic (Jun 2026)224,202
Traffic Trend
TechnologyHellenic Academic and Research Institutions CA
habsburger.net
LanguageGerman
DR (Ahrefs)63
Total Keywords6,739
Referring Domains3,814
Domain Age17 yrs
Traffic (Jun 2026)188,745
Traffic Trend
Technology

Website	Language	DR (Ahrefs)	Total Keywords	Referring Domains	Domain Age	Traffic (Jun 2026)	Traffic Trend	Technology
mpg.de	German	89	61,365	103,616		560,707		Hellenic Academic and Research Institutions CA

bestplaces.net
Language
DR (Ahrefs)79
Total Keywords554,799
Referring Domains23,743
Domain Age28 yrs
Traffic (Jun 2026)2,495,561
Traffic Trend
TechnologyStarfield Technologies
circuitcity.com
Language
DR (Ahrefs)62
Total Keywords9,221
Referring Domains5,015
Domain Age31 yrs
Traffic (Jun 2026)2,248,870
Traffic Trend
Technology
dobell.com
Language
DR (Ahrefs)15
Total Keywords15,256
Referring Domains678
Domain Age25 yrs
Traffic (Jun 2026)448,418
Traffic Trend
TechnologyStarfield Technologies
citylights.com
Language
DR (Ahrefs)73
Total Keywords20,226
Referring Domains8,231
Domain Age31 yrs
Traffic (Jun 2026)268,645
Traffic Trend
Technology
txragdollkitten.com
LanguageEnglish
DR (Ahrefs)8
Total Keywords655
Referring Domains113
Domain Age10 yrs
Traffic (Jun 2026)230,464
Traffic Trend
Technology
travelerschampionship.com
LanguageEnglish
DR (Ahrefs)47
Total Keywords1,892
Referring Domains1,149
Domain Age20 yrs
Traffic (Jun 2026)170,018
Traffic Trend
Technology
browardtax.org
LanguageEnglish
DR (Ahrefs)36
Total Keywords4,432
Referring Domains107
Domain Age1 yr
Traffic (Jun 2026)155,403
Traffic Trend
Technology
crotononhudson-ny.gov
Language
DR (Ahrefs)45
Total Keywords2,262
Referring Domains580
Domain Age22 yrs
Traffic (Jun 2026)145,152
Traffic Trend
Technology
shortesbbq.com
LanguageEnglish
DR (Ahrefs)6
Total Keywords294
Referring Domains80
Domain Age9 yrs
Traffic (Jun 2026)140,737
Traffic Trend
Technology
fcmint.com
LanguageEnglish
DR (Ahrefs)7
Total Keywords6,948
Referring Domains380
Domain Age24 yrs
Traffic (Jun 2026)129,806
Traffic Trend
TechnologyStarfield Technologies