Is Certum or SwissSign AG more popular?

Certum is used by more websites in our catalog: 579 use Certum and 116 use SwissSign AG.

Does Certum or SwissSign AG have higher-authority sites?

SwissSign AG sites have the higher median Ahrefs Domain Rating (Certum: 55, SwissSign AG: 73).

Is Certum or SwissSign AG growing faster?

Between 2026-06 and 2026-07, Certum went from 0.08% to 0.07% of all tracked sites, while SwissSign AG went from 0.02% to 0.01%. SwissSign AG is gaining ground faster in our index.

Can a site use both Certum and SwissSign AG?

No. A site runs a single SSL certificate authority, so Certum and SwissSign AG are mutually exclusive.

Where does this Certum vs SwissSign AG 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.

Certum vs SwissSign AG — Site Stats Database

Certum vs SwissSign AG

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	Certum	SwissSign AG
Websites	579	116
Market share	0.07%	0.01%
Share of top 10K sites	0.00%	0.01%

Rank	#17	#33

Median DR	55	73

Average DR	52	69

Median keywords	396	628

Median referring domains	1,388	3,014

Median domain age	15 yrs	26 yrs

Average domain age	15 yrs	25 yrs

Average monthly traffic	15,804	39,264

Combined monthly traffic	9,150,719	4,554,611

auschwitz.org
LanguagePolish
DR (Ahrefs)76
Total Keywords9,509
Referring Domains11,787
Domain Age25 yrs
Traffic (Jun 2026)703,253
Traffic Trend
TechnologyCertum
simcosplay.com
LanguageEnglish
DR (Ahrefs)21
Total Keywords20,259
Referring Domains1,668
Domain Age7 yrs
Traffic (Jun 2026)683,447
Traffic Trend
Technology
uhomes.com
LanguageEnglish
DR (Ahrefs)55
Total Keywords119,316
Referring Domains2,552
Domain Age23 yrs
Traffic (Jun 2026)570,251
Traffic Trend
Technology
abadis.ir
LanguagePersian
DR (Ahrefs)70
Total Keywords110,449
Referring Domains6,192
Domain Age
Traffic (Jun 2026)490,697
Traffic Trend
TechnologyCertum
floorplancreator.net
LanguageEnglish
DR (Ahrefs)42
Total Keywords4,628
Referring Domains987
Domain Age13 yrs
Traffic (Jun 2026)460,176
Traffic Trend
Technology
anchenggy.com
LanguageEnglish
DR (Ahrefs)27
Total Keywords6,466
Referring Domains619
Domain Age12 yrs
Traffic (Jun 2026)332,303
Traffic Trend
Technology
igmetall.de
LanguageGerman
DR (Ahrefs)75
Total Keywords306
Referring Domains9,381
Domain Age
Traffic (Jun 2026)310,727
Traffic Trend
TechnologyCertum
mywanderlust.pl
LanguageEnglish
DR (Ahrefs)47
Total Keywords9,706
Referring Domains2,952
Domain Age13 yrs
Traffic (Jun 2026)283,835
Traffic Trend
Technology
scirp.org
LanguageEnglish
DR (Ahrefs)86
Total Keywords90,804
Referring Domains62,358
Domain Age18 yrs
Traffic (Jun 2026)272,944
Traffic Trend
TechnologyCertum
mfa.gov.ir
Language
DR (Ahrefs)72
Total Keywords3,297
Referring Domains5,427
Domain Age
Traffic (Jun 2026)267,826
Traffic Trend
TechnologyCertum

Website	Language	DR (Ahrefs)	Total Keywords	Referring Domains	Domain Age	Traffic (Jun 2026)	Traffic Trend	Technology
auschwitz.org	Polish	76	9,509	11,787	25 yrs	703,253		Certum

lidl.com
LanguageEnglish
DR (Ahrefs)73
Total Keywords32,004
Referring Domains4,649
Domain Age26 yrs
Traffic (Jun 2026)1,166,208
Traffic Trend
TechnologySwissSign AG
admin.ch
LanguageGerman
DR (Ahrefs)93
Total Keywords43,416
Referring Domains243,379
Domain Age
Traffic (Jun 2026)719,191
Traffic Trend
TechnologySwissSign AG
sika.com
LanguageEnglish
DR (Ahrefs)84
Total Keywords35,653
Referring Domains22,529
Domain Age30 yrs
Traffic (Jun 2026)582,258
Traffic Trend
TechnologySwissSign AG
swiss.com
LanguageEnglish
DR (Ahrefs)79
Total Keywords32,641
Referring Domains17,442
Domain Age27 yrs
Traffic (Jun 2026)451,637
Traffic Trend
TechnologySwissSign AG
eu.glock.com
LanguageEnglish
DR (Ahrefs)76
Total Keywords3,856
Referring Domains1,679
Domain Age29 yrs
Traffic (Jun 2026)298,714
Traffic Trend
Technology
coromant.com
LanguageThai
DR (Ahrefs)73
Total Keywords4,665
Referring Domains6,592
Domain Age29 yrs
Traffic (Jun 2026)297,589
Traffic Trend
Technology
lidl.co.uk
LanguageEnglish
DR (Ahrefs)73
Total Keywords31,096
Referring Domains7,893
Domain Age29 yrs
Traffic (Jun 2026)168,680
Traffic Trend
Technology
sbb.ch
Language
DR (Ahrefs)88
Total Keywords8,906
Referring Domains33,693
Domain Age
Traffic (Jun 2026)165,869
Traffic Trend
TechnologySwissSign AG
faber-castell.com
LanguageEnglish
DR (Ahrefs)61
Total Keywords3,730
Referring Domains4,031
Domain Age30 yrs
Traffic (Jun 2026)47,430
Traffic Trend
Technology
bluewin.ch
LanguageGerman
DR (Ahrefs)78
Total Keywords25,746
Referring Domains17,946
Domain Age
Traffic (Jun 2026)45,474
Traffic Trend
TechnologySwissSign AG