Websites Powered by Apereo CAS
503 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
200
400
600
Jan 2023
Dec 2023
Nov 2024
Sep 2025
Aug 2026
Domains observed using Apereo CAS in each month's HTTP Archive crawl,
Jan 2023 to Aug 2026 · peak 425 in Jan 2023. The tracked total above also
counts sites not re-crawled recently.
Core Web Vitals
LCP 1.5 s
INP 75 ms
CLS 0
TTFB 600 ms
Median site among 325 Apereo CAS sites with Chrome UX data, p75 values, Aug 2026.
Top countries
United States
194
France
156
India
139
Spain
99
United Kingdom
99
Canada
98
Germany
96
Italy
94
Sites using Apereo CAS by audience country, Chrome UX Report.
Top sites by authority
9+
<1% · 1 of 372 sites
8+
<1% · 14 of 7,677 sites
7+
<1% · 45 of 45,712 sites
6+
<1% · 51 of 110,136 sites
5+
<1% · 61 of 246,751 sites
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 | 9,300 | 4,623 | 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 | 7,371 | Jan 2023 |
| 6 | uni-goettingen.de | 8.49/10 | 6,400 | 3,874 | Jan 2023 |
| 7 | poznan.pl | 8.47/10 | 320 | 564 | Mar 2023 |
| 8 | correios.com.br | 8.41/10 | 7,600 | 2,298 | Jan 2023 |
| 9 | inserm.fr | 8.40/10 | 3,100 | 2,265 | 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 | 368,700 | 58,873 | Jan 2023 |
| 13 | ulisboa.pt | 8.25/10 | 6,100 | 1,009 | May 2023 |
| 14 | nau.edu | 8.09/10 | 99,500 | 18,711 | 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 | 3,206,200 | 247,585 | 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 | 101,200 | 37,749 | 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 | 92,900 | 19,296 | Jan 2023 |
| 26 | univ-paris8.fr | 7.60/10 | 1,900 | 628 | Jan 2023 |
| 27 | oswego.edu | 7.58/10 | 47,900 | 8,096 | 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 | 130,000 | 52,858 | 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 | 39,100 | 9,659 | Jan 2023 |
| 34 | wiu.edu | 7.35/10 | 51,800 | 19,929 | 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 | cyu.fr | 7.09/10 | 610 | 253 | Mar 2023 |
| 39 | hafas.de | 7.06/10 | - | - | Jan 2023 |
| 40 | netcologne.de | 7.02/10 | 91 | 112 | Jan 2023 |
| 41 | mpmg.mp.br | 7.02/10 | 760 | 1,266 | Jan 2023 |
| 42 | manz.at | 7.02/10 | - | 4 | Dec 2023 |
| 43 | tuke.sk | 7.02/10 | 650 | 16 | Jan 2023 |
| 44 | bethel.edu | 7.02/10 | 49,200 | 13,891 | 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 | blumesolutions.com | 0.42/10 | - | - | Apr 2023 |
| 52 | cas-dia.com | 0.25/10 | - | - | Jan 2023 |
| 53 | caxias.rs.gov.br | 5.28/10 | 90 | 85 | Mar 2023 |
| 54 | cip.org.pe | 4.16/10 | - | - | Jan 2023 |
| 55 | empro.com.br | 1.63/10 | - | - | Jan 2023 |
| 56 | neuquen.gov.ar | 5.30/10 | - | - | Jan 2023 |
| 57 | ooredoo.tn | 4.69/10 | - | - | Jan 2023 |
| 58 | portaldiagroup.com | 0.32/10 | - | - | Jan 2023 |
| 59 | refera.it | 1.78/10 | - | - | Jan 2023 |
| 60 | taxsee.com | 3.36/10 | - | - | Jan 2023 |
| 61 | toledo.pr.gov.br | 5.38/10 | 31 | 119 | Jan 2023 |
| 62 | uh1.ac.ma | 4.14/10 | - | - | Mar 2023 |
| 63 | abpharmacy.ca | 4.19/10 | 1,200 | 1,310 | Sep 2023 |
| 64 | benufarma.it | 4.12/10 | 120 | 279 | Aug 2024 |
| 65 | cd31.fr | 1.52/10 | - | - | Jan 2023 |
| 66 | cems.org | 5.39/10 | 1,700 | 977 | Jan 2023 |
| 67 | eai.eu | 5.62/10 | 71 | 119 | Jan 2023 |
| 68 | emsog.post | 2.41/10 | - | - | Jan 2023 |
| 69 | forinsia.com | 3.00/10 | - | - | Jan 2023 |
| 70 | gcs.gov.mo | 5.58/10 | 1,000 | 1,054 | Jan 2023 |
| 71 | gris.cz | 2.53/10 | - | - | Jan 2023 |
| 72 | guamcc.edu | 4.49/10 | - | - | Jun 2024 |
| 73 | hkbh.org.hk | 4.33/10 | - | - | Jan 2023 |
| 74 | inspe-paris.fr | 4.29/10 | - | - | Jan 2023 |
| 75 | jvlgaming.com | 0.10/10 | - | - | Jan 2023 |
| 76 | ntt.com.hk | 3.55/10 | - | - | Feb 2026 |
| 77 | pi.ac.cy | 4.76/10 | - | - | Jan 2023 |
| 78 | po.edu.pl | 5.50/10 | 1,200 | 17 | Jan 2023 |
| 79 | primeinsurance.eu | 1.29/10 | - | - | Mar 2025 |
| 80 | sciencespo-lille.eu | 5.30/10 | 71 | 94 | Jan 2023 |
| 81 | smile.fr | 5.55/10 | - | - | Jan 2023 |
| 82 | sommenumerique.fr | 4.69/10 | - | - | May 2024 |
| 83 | ull.edu.es | 1.59/10 | - | - | Jan 2023 |
| 84 | unc.nc | 5.15/10 | 330 | 52 | Jan 2023 |
| 85 | uslumbria2.it | 4.00/10 | - | - | Mar 2025 |
| 86 | velabodia.com | 0.10/10 | - | - | Aug 2023 |
| 87 | vistula.edu.pl | 6.13/10 | 1,700 | 388 | Jul 2025 |
| 88 | apsatcom.com | 0.13/10 | - | - | Jul 2026 |
| 89 | cacloud.org | 0.23/10 | - | - | Sep 2023 |
| 90 | gruppofarmacieitaliane.it | 2.11/10 | - | - | Feb 2023 |
| 91 | inforum.be | 2.29/10 | - | - | Jan 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) →
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