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
| Metric | InCommon, LLC | SwissSign AG |
|---|---|---|
| Websites | 110 | 116 |
| Market share | 0.01% | 0.01% |
| Share of top 10K sites | 0.17% | 0.01% |
| Share of top 100K sites |
|---|
| 0.05% |
| 0.01% |
| Rank | #34 | #33 |
|---|
| Median DR | 73 | 73 |
|---|
| Average DR | 68 | 69 |
|---|
| Median keywords | 3,920 | 628 |
|---|
| Median referring domains | 2,014 | 3,014 |
|---|
| Median domain age | 33 yrs | 26 yrs |
|---|
| Average domain age | 30 yrs | 25 yrs |
|---|
| Average monthly traffic | 1,275,880 | 39,264 |
|---|
| Combined monthly traffic | 140,346,847 | 4,554,611 |
|---|
A site runs one SSL certificate authority, so InCommon, LLC and SwissSign AG are mutually exclusive.
Monthly snapshots of each segment, 2026-06 to 2026-07. Website counts move when our catalog grows; the share of tracked sites is normalized, so it only moves when real prevalence changes.
Websites
Share of tracked sites
Combined monthly traffic
110 websites · rank #34
Top industries
Top markets
116 websites · rank #33
Top industries
Top markets
SwissSign AG is used by more websites in our catalog: 110 use InCommon, LLC and 116 use SwissSign AG.
InCommon, LLC and SwissSign AG sites have a similar median Ahrefs Domain Rating.
Between 2026-06 and 2026-07, InCommon, LLC went from 0.02% to 0.01% of all tracked sites, while SwissSign AG went from 0.02% to 0.01%. InCommon, LLC is gaining ground faster in our index.
No. A site runs a single SSL certificate authority, so InCommon, LLC and SwissSign AG are mutually exclusive.
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.
Citation
Site Stats Database. "InCommon, LLC vs SwissSign AG." Site Stats Database, July 1, 2026. https://sitestatsdb.com/technologies/ssl-certificates/compare/incommon-llc-vs-swisssign-ag
Site Stats Database tracks 110 websites using InCommon, LLC and 116 using SwissSign AG, each enriched with full monthly traffic history, authority, keywords, referring domains, and the complete detected tech stack. We detect every SSL certificate authority by crawling each site's HTML, response headers, and DNS; traffic and SEO metrics come from DataForSEO and Ahrefs. Everything refreshes at least monthly.
See plans & pricing| English |
| 90 |
| 774,707 |
| 123,047 |
| 39 yrs |
| 20,038,787 |
| InCommon, LLC |
| rochester.edu | English | 88 | 668,671 | 98,577 | 39 yrs | 11,687,937 | InCommon, LLC |
| uchicago.edu | English | 91 | 465,840 | 223,232 | 34 yrs | 7,172,842 | InCommon, LLC |
| hort.extension.wisc.edu | English | 91 | 109,362 | 6,956 | 40 yrs | 5,349,514 | InCommon, LLC |
| ufhealth.org | English | 77 | 405,348 | 13,570 | 13 yrs | 5,056,394 | InCommon, LLC |
| iu.edu | English | 89 | 240,126 | 79,917 | 29 yrs | 4,352,782 | InCommon, LLC |
| berklee.edu | English | 81 | 73,204 | 21,365 | 33 yrs | 2,380,230 | InCommon, LLC |
| umass.edu | English | 88 | 172,338 | 90,948 | 40 yrs | 2,169,778 | InCommon, LLC |
| bcm.edu | English | 81 | 129,477 | 26,270 | 31 yrs | 1,874,650 | InCommon, LLC |
| German |
| 93 |
| 43,416 |
| 243,379 |
| 719,191 |
| SwissSign AG |
| sika.com | English | 84 | 35,653 | 22,529 | 30 yrs | 582,258 | SwissSign AG |
| swiss.com | English | 79 | 32,641 | 17,442 | 27 yrs | 451,637 | SwissSign AG |
| eu.glock.com | English | 76 | 3,856 | 1,679 | 29 yrs | 298,714 | SwissSign AG |
| coromant.com | Thai | 73 | 4,665 | 6,592 | 29 yrs | 297,589 | SwissSign AG |
| lidl.co.uk | English | 73 | 31,096 | 7,893 | 29 yrs | 168,680 | SwissSign AG |
| sbb.ch | 88 | 8,906 | 33,693 | 165,869 | SwissSign AG |
| faber-castell.com | English | 61 | 3,730 | 4,031 | 30 yrs | 47,430 | SwissSign AG |
| bluewin.ch | German | 78 | 25,746 | 17,946 | 45,474 | SwissSign AG |