Is Internet2 or SwissSign AG more popular?

Internet2 is used by more websites in our catalog: 978 use Internet2 and 116 use SwissSign AG.

Does Internet2 or SwissSign AG have higher-authority sites?

Internet2 sites have the higher median Ahrefs Domain Rating (Internet2: 76, SwissSign AG: 73).

Is Internet2 or SwissSign AG growing faster?

Between 2026-06 and 2026-07, Internet2 went from 0.16% to 0.11% 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 Internet2 and SwissSign AG?

No. A site runs a single SSL certificate authority, so Internet2 and SwissSign AG are mutually exclusive.

Where does this Internet2 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.

Internet2 vs SwissSign AG — Site Stats Database

Internet2 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	Internet2	SwissSign AG
Websites	978	116
Market share	0.12%	0.01%
Share of top 10K sites	1.5%	0.01%

Rank	#12	#33

Median DR	76	73

Average DR	72	69

Median keywords	5,101	628

Median referring domains	2,226	3,014

Median domain age	34 yrs	26 yrs

Average domain age	31 yrs	25 yrs

Average monthly traffic	817,556	39,264

Combined monthly traffic	799,569,907	4,554,611

si.edu
LanguageEnglish
DR (Ahrefs)91
Total Keywords1,137,159
Referring Domains237,359
Domain Age34 yrs
Traffic (Jun 2026)60,547,423
Traffic Trend
TechnologyInternet2
cornell.edu
LanguageEnglish
DR (Ahrefs)92
Total Keywords1,692,749
Referring Domains372,628
Domain Age40 yrs
Traffic (Jun 2026)54,727,724
Traffic Trend
Technology
stanford.edu
LanguageEnglish
DR (Ahrefs)92
Total Keywords1,198,840
Referring Domains511,286
Domain Age40 yrs
Traffic (Jun 2026)45,915,915
Traffic Trend
Technology
ufl.edu
LanguageEnglish
DR (Ahrefs)90
Total Keywords855,336
Referring Domains184,301
Domain Age40 yrs
Traffic (Jun 2026)18,671,974
Traffic Trend
TechnologyInternet2
umn.edu
LanguageEnglish
DR (Ahrefs)91
Total Keywords872,046
Referring Domains243,227
Domain Age39 yrs
Traffic (Jun 2026)17,043,429
Traffic Trend
TechnologyInternet2
utah.edu
LanguageEnglish
DR (Ahrefs)89
Total Keywords710,042
Referring Domains124,764
Domain Age39 yrs
Traffic (Jun 2026)14,911,220
Traffic Trend
TechnologyInternet2
mdanderson.org
LanguageEnglish
DR (Ahrefs)83
Total Keywords351,124
Referring Domains36,497
Domain Age29 yrs
Traffic (Jun 2026)14,049,960
Traffic Trend
Technology
oregonstate.edu
LanguageEnglish
DR (Ahrefs)89
Total Keywords551,866
Referring Domains107,559
Domain Age27 yrs
Traffic (Jun 2026)13,045,470
Traffic Trend
Technology
illinois.edu
LanguageEnglish
DR (Ahrefs)90
Total Keywords781,195
Referring Domains165,621
Domain Age29 yrs
Traffic (Jun 2026)12,771,348
Traffic Trend
Technology
rutgers.edu
LanguageEnglish
DR (Ahrefs)90
Total Keywords402,403
Referring Domains132,809
Domain Age41 yrs
Traffic (Jun 2026)9,973,805
Traffic Trend
Technology

Website	Language	DR (Ahrefs)	Total Keywords	Referring Domains	Domain Age	Traffic (Jun 2026)	Traffic Trend	Technology
si.edu	English	91	1,137,159	237,359	34 yrs	60,547,423		Internet2

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