Websites Powered by SimpleSAMLphp
1,721 websites tracked using SimpleSAMLphp (Authentication) · simplesamlphp.org
SimpleSAMLphp is a authentication and identity service for signing users in. Its official site is simplesamlphp.org. PoweredBy tracks the websites that use SimpleSAMLphp 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
500
1K
1.5K
Dec 2022
Nov 2023
Nov 2024
Oct 2025
Sep 2026
Domains observed using SimpleSAMLphp in each month's HTTP Archive crawl,
Dec 2022 to Sep 2026 · peak 1,322 in Oct 2023. The tracked total above also
counts sites not re-crawled recently.
Core Web Vitals
LCP 1.6 s
INP 75 ms
CLS 0
TTFB 700 ms
Median site among 1,412 SimpleSAMLphp sites with Chrome UX data, p75 values, Sep 2026.
Top countries
United States
829
United Kingdom
570
India
570
Germany
469
Canada
430
Spain
429
Italy
423
France
405
Sites using SimpleSAMLphp by audience country, Chrome UX Report.
Usage by industry
| Industry | Share | Websites |
|---|---|---|
| Government | 0.09% | 7 |
| Non-profit and religious | 0.05% | 4 |
| Education | 0.04% | 20 |
| Healthcare | 0.02% | 17 |
| Arts and entertainment | <0.01% | 2 |
| Professional services | <0.01% | 1 |
| News and media | <0.01% | 1 |
| Software and apps | <0.01% | 1 |
| Retail | <0.01% | 2 |
Share of each industry's websites with a detected stack that use SimpleSAMLphp; industries come from what sites declare in their own structured data.
Top sites by authority
9+
1% · 5 of 372 sites
8+
<1% · 72 of 7,677 sites
7+
<1% · 178 of 45,712 sites
6+
<1% · 252 of 110,136 sites
5+
<1% · 319 of 246,751 sites
The share of the web's most authoritative domains, by Open Page Rank tier, seen running SimpleSAMLphp in recent crawls. Only 372 domains worldwide score 9 or higher.
Websites using SimpleSAMLphp
| # | Domain | Open Page RankOPR | Est. monthly visits (US)Visits (US) | Keywords | First seen |
|---|---|---|---|---|---|
| 1 | harvard.edu | 9.24/10 | 472,700 | 11,444 | Dec 2022 |
| 2 | stanford.edu | 9.19/10 | 3,302,700 | 5,160 | Dec 2022 |
| 3 | mit.edu | 9.18/10 | 163,800 | 31,239 | Dec 2022 |
| 4 | cornell.edu | 9.10/10 | 140,600 | 19,190 | Dec 2022 |
| 5 | upenn.edu | 9.00/10 | 178,900 | 4,794 | Dec 2022 |
| 6 | wisc.edu | 8.97/10 | 461,200 | 6,382 | Dec 2022 |
| 7 | uchicago.edu | 8.92/10 | 63,700 | 10,331 | Dec 2022 |
| 8 | duke.edu | 8.88/10 | 194,300 | 1,396 | Dec 2022 |
| 9 | cam.ac.uk | 8.87/10 | 208,200 | 35,354 | Jul 2026 |
| 10 | heart.org | 8.85/10 | 3,118,800 | 377,461 | Dec 2022 |
| 11 | illinois.edu | 8.83/10 | 47,000 | 3,612 | Dec 2022 |
| 12 | mpg.de | 8.81/10 | 59,700 | 20,903 | Sep 2026 |
| 13 | nejm.org | 8.81/10 | 529,000 | 189,081 | Apr 2024 |
| 14 | gouv.qc.ca | 8.77/10 | - | - | Oct 2025 |
| 15 | bu.edu | 8.77/10 | 804,600 | 234,428 | Dec 2022 |
| 16 | osu.edu | 8.76/10 | 144,000 | 12,535 | Dec 2022 |
| 17 | rutgers.edu | 8.75/10 | 146,600 | 28,567 | Dec 2022 |
| 18 | brown.edu | 8.73/10 | 376,500 | 23,950 | Dec 2022 |
| 19 | virginia.edu | 8.73/10 | 265,100 | 10,889 | Dec 2022 |
| 20 | bnf.fr | 8.72/10 | 6,300 | 1,597 | Dec 2022 |
| 21 | colorado.edu | 8.72/10 | 585,400 | 165,595 | Dec 2022 |
| 22 | mcgill.ca | 8.70/10 | 403,000 | 145,097 | Dec 2022 |
| 23 | tufts.edu | 8.68/10 | 98,500 | 9,358 | Dec 2022 |
| 24 | dc.gov | 8.67/10 | 99,400 | 10,148 | Jun 2023 |
| 25 | uq.edu.au | 8.65/10 | 9,700 | 1,554 | Feb 2023 |
| 26 | gwu.edu | 8.64/10 | 257,300 | 13,278 | May 2024 |
| 27 | oregonstate.edu | 8.63/10 | 88,600 | 10,954 | Mar 2026 |
| 28 | dartmouth.edu | 8.60/10 | 37,800 | 10,895 | Dec 2022 |
| 29 | ucm.es | 8.60/10 | 15,000 | 16,497 | Dec 2022 |
| 30 | kyoto-u.ac.jp | 8.57/10 | 4,800 | 3,548 | Mar 2025 |
| 31 | dhl.com | 8.56/10 | 1,187,200 | 132,595 | Dec 2022 |
| 32 | belgium.be | 8.55/10 | 20,400 | 1,736 | Dec 2022 |
| 33 | uoregon.edu | 8.55/10 | 156,500 | 8,436 | Dec 2022 |
| 34 | tass.ru | 8.54/10 | 3,700 | 387 | Dec 2022 |
| 35 | ucr.edu | 8.53/10 | 112,800 | 11,969 | Sep 2024 |
| 36 | unizar.es | 8.51/10 | 280 | 138 | Feb 2026 |
| 37 | az.gov | 8.51/10 | 28,000 | 6,438 | Dec 2022 |
| 38 | temple.edu | 8.49/10 | 129,800 | 26,423 | Sep 2025 |
| 39 | gov.wales | 8.48/10 | 37,700 | 16,015 | Dec 2022 |
| 40 | startribune.com | 8.45/10 | 420,200 | 257,341 | Dec 2022 |
| 41 | uh.edu | 8.44/10 | 403,000 | 106,047 | Aug 2026 |
| 42 | us.es | 8.43/10 | 1,400 | 3,306 | Dec 2022 |
| 43 | lsu.edu | 8.42/10 | 344,300 | 58,083 | Jun 2023 |
| 44 | exlibrisgroup.com | 8.39/10 | 2,400 | 392 | Dec 2022 |
| 45 | ugr.es | 8.38/10 | 8,500 | 8,711 | Dec 2022 |
| 46 | tau.ac.il | 8.35/10 | 5,100 | 4,286 | Dec 2022 |
| 47 | tulane.edu | 8.35/10 | 118,900 | 4,475 | Dec 2022 |
| 48 | dal.ca | 8.30/10 | 26,100 | 12,945 | Oct 2023 |
| 49 | cervantes.es | 8.29/10 | 1,000 | 630 | May 2024 |
| 50 | kyushu-u.ac.jp | 8.28/10 | 680 | 731 | Jan 2023 |
| 51 | fiocruz.br | 8.27/10 | 500 | 722 | Dec 2022 |
| 52 | fau.de | 8.26/10 | 1,600 | 2,394 | Dec 2022 |
| 53 | mercedes-benz.com | 8.25/10 | 186,400 | 15,625 | Dec 2022 |
| 54 | nutrition.org | 8.25/10 | 22,400 | 7,278 | Jul 2023 |
| 55 | mayo.edu | 8.23/10 | 121,000 | 18,639 | Dec 2022 |
| 56 | usal.es | 8.22/10 | 3,200 | 1,130 | Dec 2022 |
| 57 | unige.it | 8.18/10 | 4,100 | 1,729 | Dec 2022 |
| 58 | education.gov.uk | 8.15/10 | - | - | Dec 2022 |
| 59 | albany.edu | 8.15/10 | 164,400 | 45,333 | Sep 2026 |
| 60 | ntnu.no | 8.14/10 | 4,600 | 1,879 | Dec 2022 |
| 61 | post.ch | 8.13/10 | 7,300 | 4,532 | Dec 2022 |
| 62 | kent.ac.uk | 8.11/10 | 12,400 | 7,038 | Dec 2022 |
| 63 | auth.gr | 8.11/10 | 1,900 | 302 | Dec 2022 |
| 64 | unina.it | 8.10/10 | 2,800 | 1,842 | Dec 2022 |
| 65 | facs.org | 8.07/10 | 130,000 | 55,753 | Dec 2022 |
| 66 | ut.ee | 8.05/10 | 1,200 | 561 | Dec 2022 |
| 67 | uidaho.edu | 8.05/10 | 70,000 | 31,513 | Feb 2025 |
| 68 | uni-augsburg.de | 8.05/10 | 930 | 889 | Feb 2023 |
| 69 | elte.hu | 8.04/10 | 1,100 | 915 | Dec 2022 |
| 70 | krone.at | 8.04/10 | 8,900 | 9,317 | Dec 2022 |
| 71 | bcm.edu | 8.04/10 | 355,500 | 127,082 | Dec 2022 |
| 72 | ntua.gr | 8.01/10 | 1,000 | 53 | Dec 2022 |
| 73 | intoday.in | 7.99/10 | - | - | Dec 2022 |
| 74 | aaaai.org | 7.98/10 | 276,200 | 53,480 | May 2024 |
| 75 | upmc.com | 7.96/10 | 688,900 | 147,069 | May 2024 |
| 76 | castillalamancha.es | 7.92/10 | 1,600 | 3,617 | Aug 2024 |
| 77 | uji.es | 7.92/10 | 210 | 128 | May 2026 |
| 78 | abajournal.com | 7.89/10 | 25,800 | 19,036 | Dec 2022 |
| 79 | snhu.edu | 7.89/10 | 824,700 | 94,624 | May 2024 |
| 80 | acaai.org | 7.88/10 | 248,800 | 45,245 | Dec 2022 |
| 81 | parkinson.org | 7.88/10 | 49,000 | 20,763 | May 2024 |
| 82 | mmu.ac.uk | 7.86/10 | 23,400 | 6,824 | Dec 2022 |
| 83 | bucknell.edu | 7.85/10 | 114,700 | 10,399 | Jan 2026 |
| 84 | srce.hr | 7.84/10 | - | - | Dec 2022 |
| 85 | ull.es | 7.83/10 | 990 | 2,183 | Nov 2024 |
| 86 | dhbw.de | 7.82/10 | 170 | 74 | Nov 2024 |
| 87 | bme.hu | 7.81/10 | 1,300 | 299 | Dec 2022 |
| 88 | nccn.org | 7.80/10 | 46,500 | 20,601 | May 2024 |
| 89 | vu.lt | 7.80/10 | 2,400 | 673 | Dec 2022 |
| 90 | leuphana.de | 7.79/10 | 590 | 580 | Apr 2023 |
| 91 | utsouthwestern.edu | 7.79/10 | 127,400 | 39,197 | May 2024 |
| 92 | ujaen.es | 7.79/10 | 350 | 622 | Dec 2022 |
| 93 | sun.ac.za | 7.77/10 | 760 | 436 | Sep 2026 |
| 94 | cityoflondon.gov.uk | 7.76/10 | 53,900 | 5,991 | Dec 2022 |
| 95 | milwaukee.gov | 7.76/10 | 5,000 | 1,159 | Dec 2022 |
| 96 | sutterhealth.org | 7.70/10 | 514,200 | 158,789 | May 2023 |
| 97 | houstonmethodist.org | 7.70/10 | 505,400 | 156,561 | Dec 2022 |
| 98 | th-koeln.de | 7.69/10 | 1,300 | 802 | Dec 2022 |
| 99 | uni-weimar.de | 7.69/10 | 1,100 | 947 | May 2023 |
| 100 | mariecurie.org.uk | 7.66/10 | 48,800 | 13,217 | May 2026 |
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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