Websites Powered by OpenCms
1,639 websites tracked using OpenCms (CMS) · www.opencms.org
OpenCms is a content management system for building and running websites. Its official site is opencms.org. PoweredBy tracks the websites that use OpenCms across the public web; the tracked counts, adoption trend, and site list on this page are updated from our ongoing crawl of the cms ecosystem.
Usage trend
500
1K
1.5K
Apr 2018
May 2020
Jul 2022
Aug 2024
Sep 2026
Domains observed using OpenCms in each month's HTTP Archive crawl,
Apr 2018 to Sep 2026 · peak 1,165 in Nov 2022. 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 891 OpenCms sites with Chrome UX data, p75 values, Sep 2026.
Top countries
Spain
390
Germany
310
Italy
201
United States
108
United Kingdom
83
France
72
India
70
Brazil
69
Sites using OpenCms by audience country, Chrome UX Report.
Usage by industry
| Industry | Share | Websites |
|---|---|---|
| Government | 0.06% | 5 |
| Education | <0.01% | 3 |
| Arts and entertainment | <0.01% | 2 |
| News and media | <0.01% | 2 |
| Legal | <0.01% | 1 |
Share of each industry's websites with a detected stack that use OpenCms; industries come from what sites declare in their own structured data.
Top sites by authority
9+
0% · 0 of 372 sites
8+
<1% · 22 of 7,677 sites
7+
<1% · 55 of 45,712 sites
6+
<1% · 83 of 110,136 sites
5+
<1% · 109 of 246,751 sites
The share of the web's most authoritative domains, by Open Page Rank tier, seen running OpenCms in recent crawls. Only 372 domains worldwide score 9 or higher.
Websites using OpenCms
| # | Domain | Open Page RankOPR | Est. monthly visits (US)Visits (US) | Keywords | First seen |
|---|---|---|---|---|---|
| 1 | ethz.ch | 8.95/10 | 12,900 | 11,869 | Aug 2018 |
| 2 | utah.gov | 8.80/10 | 129,700 | 22,115 | Oct 2021 |
| 3 | wipo.int | 8.75/10 | 203,900 | 53,683 | Aug 2017 |
| 4 | sachsen.de | 8.62/10 | 45 | 135 | Oct 2025 |
| 5 | ucm.es | 8.60/10 | 15,000 | 16,497 | May 2024 |
| 6 | unam.mx | 8.58/10 | 1,900 | 1,196 | May 2019 |
| 7 | juntadeandalucia.es | 8.54/10 | 5,400 | 17,242 | Aug 2018 |
| 8 | uni-stuttgart.de | 8.53/10 | 1,600 | 2,181 | Jun 2018 |
| 9 | upm.es | 8.52/10 | 2,100 | 1,692 | Aug 2024 |
| 10 | gva.es | 8.47/10 | 490 | 1,924 | Aug 2018 |
| 11 | us.es | 8.43/10 | 1,400 | 3,306 | Jun 2023 |
| 12 | cas.cz | 8.33/10 | - | - | Jul 2017 |
| 13 | mef.gov.it | 8.20/10 | 670 | 768 | Jan 2016 |
| 14 | sbn.it | 8.15/10 | - | - | Aug 2018 |
| 15 | uma.es | 8.15/10 | 1,700 | 2,592 | Oct 2024 |
| 16 | interior.gob.es | 8.10/10 | 1,900 | 5,269 | Apr 2022 |
| 17 | cultura.gov.it | 8.09/10 | 670 | 1,458 | Apr 2023 |
| 18 | xunta.gal | 8.07/10 | 2,400 | 3,286 | Jan 2019 |
| 19 | dgt.es | 8.04/10 | 2,800 | 11,201 | Oct 2021 |
| 20 | uoc.edu | 8.03/10 | 3,700 | 4,614 | Aug 2018 |
| 21 | ehu.eus | 8.02/10 | 5,900 | 4,043 | Dec 2024 |
| 22 | gobiernodecanarias.org | 8.01/10 | 1,900 | 3,008 | Jun 2018 |
| 23 | cnb.cz | 7.98/10 | 4,600 | 2,313 | Apr 2019 |
| 24 | uah.es | 7.87/10 | 970 | 1,237 | Apr 2020 |
| 25 | uco.es | 7.84/10 | 1,900 | 3,340 | Mar 2025 |
| 26 | uca.es | 7.79/10 | 580 | 632 | Jan 2022 |
| 27 | cdsco.gov.in | 7.74/10 | 2,600 | 4,912 | Jan 2019 |
| 28 | unipa.it | 7.74/10 | 2,800 | 1,399 | Jan 2016 |
| 29 | regione.fvg.it | 7.71/10 | 490 | 1,254 | Jun 2018 |
| 30 | regione.campania.it | 7.71/10 | 180 | 516 | Sep 2020 |
| 31 | unex.es | 7.65/10 | 770 | 484 | Feb 2025 |
| 32 | upo.es | 7.61/10 | 1,700 | 1,906 | Aug 2018 |
| 33 | tom.com | 7.60/10 | - | - | Mar 2018 |
| 34 | eurocontrol.int | 7.57/10 | 6,600 | 3,407 | Aug 2018 |
| 35 | pfron.org.pl | 7.54/10 | 120 | 110 | Jan 2019 |
| 36 | uhu.es | 7.53/10 | 990 | 1,923 | Jan 2025 |
| 37 | dgt.gob.es | 7.50/10 | - | - | Dec 2019 |
| 38 | acquistinretepa.it | 7.47/10 | 95 | 108 | May 2017 |
| 39 | cvm.gov.br | 7.47/10 | - | - | Jan 2016 |
| 40 | unavarra.es | 7.46/10 | 920 | 1,040 | Feb 2025 |
| 41 | nrwbank.de | 7.45/10 | 40 | 22 | Apr 2020 |
| 42 | avcr.cz | 7.45/10 | 1,900 | 483 | Jun 2017 |
| 43 | malaga.eu | 7.42/10 | 290 | 787 | Jan 2016 |
| 44 | usc.gal | 7.42/10 | 2,000 | 1,511 | Jan 2019 |
| 45 | ipma.pt | 7.37/10 | 4,200 | 5,829 | May 2017 |
| 46 | udl.cat | 7.37/10 | 89 | 99 | Jan 2019 |
| 47 | ltsh.de | 7.34/10 | - | - | May 2023 |
| 48 | mctic.gov.br | 7.33/10 | - | - | Feb 2018 |
| 49 | salud.gob.mx | 7.31/10 | 20 | 77 | Aug 2018 |
| 50 | sevilla.org | 7.17/10 | 1,300 | 2,701 | Sep 2021 |
| 51 | girona.cat | 7.15/10 | 910 | 338 | Aug 2018 |
| 52 | nbs.rs | 7.11/10 | 420 | 270 | Oct 2020 |
| 53 | turismo.gal | 7.10/10 | 3,900 | 1,468 | Feb 2023 |
| 54 | fazenda.mg.gov.br | 7.02/10 | 820 | 970 | Feb 2019 |
| 55 | bildung-mv.de | 7.00/10 | 15 | 14 | Dec 2016 |
| 56 | dphuesca.es | 6.98/10 | 33 | 77 | Jul 2026 |
| 57 | rentenbank.de | 6.98/10 | 40 | 13 | Oct 2023 |
| 58 | valladolid.es | 6.95/10 | 250 | 790 | Dec 2024 |
| 59 | dipujaen.es | 6.92/10 | 310 | 864 | Jan 2016 |
| 60 | hcdn.gob.ar | 6.88/10 | 160 | 453 | Jun 2016 |
| 61 | dipgra.es | 6.88/10 | 72 | 373 | Jan 2019 |
| 62 | aneca.es | 6.87/10 | 250 | 281 | Jul 2025 |
| 63 | notariato.it | 6.83/10 | 400 | 150 | May 2020 |
| 64 | visittuscany.com | 6.81/10 | 74,400 | 14,419 | Sep 2017 |
| 65 | nmns.edu.tw | 6.78/10 | 160 | 193 | Aug 2018 |
| 66 | gazzettaamministrativa.it | 6.77/10 | 13 | 23 | Aug 2018 |
| 67 | laspalmasgc.es | 6.76/10 | 1,200 | 2,455 | Aug 2018 |
| 68 | sanita.fvg.it | 6.70/10 | - | - | Aug 2018 |
| 69 | inta.es | 6.70/10 | 870 | 489 | Jul 2017 |
| 70 | tcu.es | 6.63/10 | 16 | 115 | Aug 2018 |
| 71 | dipusevilla.es | 6.63/10 | 370 | 801 | Jan 2016 |
| 72 | caminodesantiago.gal | 6.59/10 | 5,200 | 951 | Feb 2023 |
| 73 | diphuelva.es | 6.57/10 | 85 | 344 | Jul 2020 |
| 74 | eir.ie | 6.55/10 | 2,500 | 3,951 | May 2017 |
| 75 | lfi-mv.de | 6.53/10 | 4 | 4 | Apr 2022 |
| 76 | diakonie-hamburg.de | 6.51/10 | 1 | 14 | Jan 2019 |
| 77 | cittametropolitana.mi.it | 6.50/10 | 120 | 180 | Jun 2020 |
| 78 | kylottery.com | 6.45/10 | 47,800 | 12,866 | Feb 2018 |
| 79 | rtl.com | 6.43/10 | - | - | Aug 2026 |
| 80 | cts-strasbourg.eu | 6.31/10 | 710 | 923 | May 2017 |
| 81 | oevsv.at | 6.27/10 | 4 | 22 | Aug 2017 |
| 82 | academia.cz | 6.24/10 | 1 | 2 | Nov 2023 |
| 83 | provincia.brescia.it | 6.22/10 | - | 2 | May 2025 |
| 84 | nuvoton.com | 5.98/10 | 530 | 953 | Jun 2018 |
| 85 | ugt-sp.es | 5.96/10 | 21 | 79 | Feb 2025 |
| 86 | cosmeticaitalia.it | 5.93/10 | 3 | 26 | Jan 2019 |
| 87 | thelist.tas.gov.au | 5.89/10 | 330 | 134 | Jan 2019 |
| 88 | arabianhorses.org | 5.87/10 | 14,700 | 1,203 | Feb 2016 |
| 89 | opencms.org | 5.82/10 | 53 | 39 | May 2017 |
| 90 | isu.ru | 5.76/10 | 250 | 28 | May 2017 |
| 91 | udc.gal | 5.76/10 | 71 | 63 | Jul 2018 |
| 92 | toho-shoten.co.jp | 5.69/10 | - | - | Oct 2016 |
| 93 | caritasnet.de | 5.66/10 | 6 | 5 | Jun 2020 |
| 94 | diputaciondezamora.es | 5.64/10 | 47 | 61 | Apr 2023 |
| 95 | diputados.gov.ar | 5.62/10 | 190 | 738 | Sep 2016 |
| 96 | kvmv.de | 5.53/10 | - | 13 | Jul 2019 |
| 97 | lasalina.es | 5.45/10 | 1,400 | 234 | Jan 2019 |
| 98 | serviciocivil.cl | 5.43/10 | 52 | 104 | Aug 2018 |
| 99 | ehrenamtsstiftung-mv.de | 5.37/10 | - | - | Aug 2021 |
| 100 | mikasashobo.co.jp | 5.37/10 | - | - | Feb 2019 |
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).