Websites Powered by Apereo CAS
505 websites tracked using Apereo CAS (Authentication) · www.apereo.org
Apereo CAS is a authentication and identity service for signing users in. Its official site is apereo.org. PoweredBy tracks the websites that use Apereo CAS across the public web; the tracked counts, adoption trend, and site list on this page are updated from our ongoing crawl of the authentication ecosystem.
Usage trend
Core Web Vitals
Median site among 328 Apereo CAS sites with Chrome UX data, p75 values, Sep 2026.
Top countries
United States
201
France
158
India
139
Canada
117
United Kingdom
115
Spain
102
Germany
99
Italy
97
Sites using Apereo CAS by audience country, Chrome UX Report.
Usage by industry
| Industry | Share | Websites |
|---|---|---|
| Government | 0.02% | 2 |
| Arts and entertainment | <0.01% | 2 |
| Blogs and publishing | <0.01% | 1 |
| Education | <0.01% | 2 |
| Software and apps | <0.01% | 1 |
Share of each industry's websites with a detected stack that use Apereo CAS; industries come from what sites declare in their own structured data.
Top sites by authority
The share of the web's most authoritative domains, by Open Page Rank tier, seen running Apereo CAS in recent crawls. Only 372 domains worldwide score 9 or higher.
Websites using Apereo CAS
| # | Domain | Open Page RankOPR | Est. monthly visits (US)Visits (US) | Keywords | First seen |
|---|---|---|---|---|---|
| 1 | plos.org | 9.00/10 | 9,100 | 4,265 | Jun 2025 |
| 2 | cnrs.fr | 8.82/10 | 4,300 | 2,992 | Jan 2023 |
| 3 | sfu.ca | 8.80/10 | 210,600 | 61,463 | Jan 2023 |
| 4 | eu.com | 8.77/10 | - | - | Jan 2023 |
| 5 | byu.edu | 8.57/10 | 71,300 | 6,541 | Jan 2023 |
| 6 | uni-goettingen.de | 8.49/10 | 6,400 | 3,874 | Jan 2023 |
| 7 | correios.com.br | 8.41/10 | 7,600 | 2,298 | Jan 2023 |
| 8 | inserm.fr | 8.40/10 | 3,100 | 2,265 | Jan 2023 |
| 9 | education.fr | 8.39/10 | - | - | Jan 2023 |
| 10 | uni-frankfurt.de | 8.39/10 | 650 | 1,027 | Jan 2023 |
| 11 | uw.edu.pl | 8.33/10 | 240 | 261 | Jan 2023 |
| 12 | fordham.edu | 8.32/10 | 360,400 | 36,853 | Jan 2023 |
| 13 | ulisboa.pt | 8.25/10 | 6,100 | 1,009 | May 2023 |
| 14 | nau.edu | 8.09/10 | 99,400 | 13,776 | Jan 2023 |
| 15 | hec.ca | 7.99/10 | 4,600 | 2,911 | Jan 2023 |
| 16 | ifremer.fr | 7.92/10 | 340 | 451 | Feb 2023 |
| 17 | grandest.fr | 7.90/10 | 250 | 263 | Jun 2025 |
| 18 | ull.es | 7.83/10 | 990 | 2,183 | Jan 2023 |
| 19 | questdiagnostics.com | 7.79/10 | 3,202,700 | 104,750 | Jan 2023 |
| 20 | archi.fr | 7.78/10 | - | - | Jan 2023 |
| 21 | uoc.gr | 7.73/10 | 44 | 79 | Jan 2023 |
| 22 | fit.edu | 7.70/10 | 101,000 | 32,811 | Jan 2023 |
| 23 | polsl.pl | 7.66/10 | 1,100 | 347 | Jan 2023 |
| 24 | univ-fcomte.fr | 7.66/10 | - | - | Jan 2023 |
| 25 | humboldt.edu | 7.65/10 | 92,600 | 14,359 | Jan 2023 |
| 26 | univ-paris8.fr | 7.60/10 | 1,900 | 628 | Jan 2023 |
| 27 | oswego.edu | 7.58/10 | 47,700 | 6,175 | Jan 2023 |
| 28 | utm.my | 7.47/10 | 4,700 | 609 | Jan 2023 |
| 29 | info-retraite.fr | 7.46/10 | 850 | 795 | Jan 2023 |
| 30 | augusta.edu | 7.46/10 | 129,200 | 39,864 | Jan 2023 |
| 31 | u-pec.fr | 7.46/10 | 220 | 290 | Jan 2023 |
| 32 | uvsq.fr | 7.46/10 | 320 | 387 | Jan 2023 |
| 33 | evergreen.edu | 7.45/10 | 39,000 | 8,917 | Jan 2023 |
| 34 | wiu.edu | 7.35/10 | 51,700 | 15,397 | Jan 2023 |
| 35 | dataprev.gov.br | 7.34/10 | 17 | 24 | Jan 2023 |
| 36 | enssib.fr | 7.34/10 | 17 | 90 | Jan 2023 |
| 37 | univ-paris5.fr | 7.26/10 | - | - | Jan 2023 |
| 38 | herault.fr | 7.19/10 | 5 | 28 | Oct 2026 |
| 39 | cyu.fr | 7.09/10 | 610 | 253 | Mar 2023 |
| 40 | hafas.de | 7.06/10 | - | - | Jan 2023 |
| 41 | netcologne.de | 7.02/10 | 91 | 112 | Jan 2023 |
| 42 | mpmg.mp.br | 7.02/10 | 760 | 1,266 | Jan 2023 |
| 43 | manz.at | 7.02/10 | - | 4 | Dec 2023 |
| 44 | bethel.edu | 7.02/10 | 49,100 | 12,044 | Jan 2023 |
| 45 | u-cergy.fr | 7.02/10 | - | - | Jan 2023 |
| 46 | una.py | 6.97/10 | 180 | 364 | Oct 2024 |
| 47 | pens.ac.id | 6.58/10 | 360 | 92 | Jan 2023 |
| 48 | govern.ad | 6.48/10 | 450 | 142 | Jan 2023 |
| 49 | swjtu.edu.cn | 6.22/10 | 1 | 4 | May 2025 |
| 50 | vnpt.com.vn | 6.17/10 | 160 | 223 | Jan 2023 |
| 51 | vistula.edu.pl | 6.13/10 | 1,700 | 388 | Jul 2025 |
| 52 | texastech.edu | 5.95/10 | 87,200 | 7,046 | Oct 2026 |
| 53 | gcs.gov.mo | 5.58/10 | 1,000 | 1,054 | Jan 2023 |
| 54 | smile.fr | 5.55/10 | - | - | Jan 2023 |
| 55 | po.edu.pl | 5.50/10 | 1,200 | 17 | Jan 2023 |
| 56 | cems.org | 5.39/10 | 1,700 | 977 | Jan 2023 |
| 57 | toledo.pr.gov.br | 5.38/10 | 31 | 119 | Jan 2023 |
| 58 | neuquen.gov.ar | 5.30/10 | - | - | Jan 2023 |
| 59 | sciencespo-lille.eu | 5.30/10 | 71 | 89 | Jan 2023 |
| 60 | awf.edu.pl | 5.29/10 | 17 | 44 | Apr 2023 |
| 61 | caxias.rs.gov.br | 5.28/10 | 90 | 82 | Mar 2023 |
| 62 | pi.ac.cy | 4.76/10 | - | - | Jan 2023 |
| 63 | ooredoo.tn | 4.69/10 | - | - | Jan 2023 |
| 64 | guamcc.edu | 4.49/10 | - | - | Jun 2024 |
| 65 | hkbh.org.hk | 4.33/10 | - | - | Jan 2023 |
| 66 | inspe-paris.fr | 4.29/10 | - | - | Jan 2023 |
| 67 | abpharmacy.ca | 4.19/10 | 1,200 | 1,310 | Sep 2023 |
| 68 | cip.org.pe | 4.16/10 | - | - | Jan 2023 |
| 69 | uh1.ac.ma | 4.14/10 | - | - | Mar 2023 |
| 70 | benufarma.it | 4.12/10 | 120 | 279 | Aug 2024 |
| 71 | uslumbria2.it | 4.00/10 | - | - | Mar 2025 |
| 72 | ntt.com.hk | 3.55/10 | - | - | Feb 2026 |
| 73 | taxsee.com | 3.36/10 | - | - | Jan 2023 |
| 74 | forinsia.com | 3.00/10 | - | - | Jan 2023 |
| 75 | gris.cz | 2.53/10 | - | - | Jan 2023 |
| 76 | emsog.post | 2.41/10 | - | - | Jan 2023 |
| 77 | inforum.be | 2.29/10 | - | - | Jan 2023 |
| 78 | gruppofarmacieitaliane.it | 2.11/10 | - | - | Feb 2023 |
| 79 | refera.it | 1.78/10 | - | - | Jan 2023 |
| 80 | empro.com.br | 1.63/10 | - | - | Jan 2023 |
| 81 | ull.edu.es | 1.59/10 | - | - | Jan 2023 |
| 82 | cd31.fr | 1.52/10 | - | - | Jan 2023 |
| 83 | primeinsurance.eu | 1.29/10 | - | - | Mar 2025 |
| 84 | blumesolutions.com | 0.42/10 | - | - | Apr 2023 |
| 85 | portaldiagroup.com | 0.32/10 | - | - | Jan 2023 |
| 86 | cas-dia.com | 0.25/10 | - | - | Jan 2023 |
| 87 | cacloud.org | 0.23/10 | - | - | Sep 2023 |
| 88 | enforcerland.org | 0.23/10 | - | - | Apr 2023 |
| 89 | jvlgaming.com | 0.10/10 | - | - | Jan 2023 |
| 90 | velabodia.com | 0.10/10 | - | - | Aug 2023 |
Open Page Rank is the domain's authority score (0 to 10, from the open web link graph); the list is ordered by it and covers sites seen in recent crawls. Visits and keywords are estimated US organic search figures.
Download top 10,000 as CSV (zip) →
Columns: domain, Open Page Rank, first seen, last seen, industry (from the site's own structured data, blank when none).
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