Websites Powered by Congressus
260 websites tracked using Congressus (CMS) · congressus.nl
Congressus is a content management system for building and running websites. Its official site is congressus.nl. PoweredBy tracks the websites that use Congressus 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
50
100
150
200
Nov 2022
Nov 2023
Nov 2024
Oct 2025
Oct 2026
Domains observed using Congressus in each month's HTTP Archive crawl,
Nov 2022 to Oct 2026 · peak 163 in Oct 2024. The tracked total above also
counts sites not re-crawled recently.
Core Web Vitals
LCP 0.7 s
INP 50 ms
CLS 0
TTFB 300 ms
Median site among 146 Congressus sites with Chrome UX data, p75 values, Sep 2026.
Top countries
Netherlands
146
Spain
3
United Arab Emirates
2
Argentina
2
Australia
2
Bangladesh
2
Belgium
2
Brazil
2
Sites using Congressus by audience country, Chrome UX Report.
Top sites by authority
9+
0% · 0 of 372 sites
8+
<1% · 1 of 7,677 sites
7+
<1% · 1 of 45,712 sites
6+
<1% · 1 of 110,136 sites
5+
<1% · 2 of 246,751 sites
The share of the web's most authoritative domains, by Open Page Rank tier, seen running Congressus in recent crawls. Only 372 domains worldwide score 9 or higher.
Websites using Congressus
| # | Domain | Open Page RankOPR | Est. monthly visits (US)Visits (US) | Keywords | First seen |
|---|---|---|---|---|---|
| 1 | utwente.nl | 8.56/10 | 11,800 | 6,416 | Nov 2022 |
| 2 | nvrg.nl | 5.31/10 | - | 1 | Jun 2026 |
| 3 | nvvp.org | 4.04/10 | - | - | Nov 2022 |
| 4 | knvm.org | 3.68/10 | - | - | Nov 2022 |
| 5 | virgiel.nl | 3.46/10 | - | - | Nov 2022 |
| 6 | vspn.nl | 3.21/10 | - | - | Nov 2022 |
| 7 | vindicat.nl | 3.05/10 | - | - | Nov 2022 |
| 8 | usc.nl | 3.03/10 | - | - | Nov 2022 |
| 9 | usrtriton.nl | 2.88/10 | - | - | Jul 2026 |
| 10 | pvge.nl | 2.85/10 | - | - | Mar 2025 |
| 11 | kleinwonenindetippe.nl | 2.79/10 | - | - | Mar 2023 |
| 12 | svma.nl | 2.76/10 | - | - | Nov 2022 |
| 13 | nvlm.nl | 2.68/10 | - | - | Feb 2023 |
| 14 | vwn.nu | 2.59/10 | - | - | May 2023 |
| 15 | nsgroningen.nl | 2.51/10 | - | - | Nov 2022 |
| 16 | veritas.nl | 2.43/10 | - | - | Nov 2022 |
| 17 | uvsv.nl | 2.42/10 | - | - | Nov 2022 |
| 18 | histos.nl | 2.38/10 | - | - | Nov 2022 |
| 19 | usr.nl | 2.19/10 | - | - | Jul 2024 |
| 20 | asvtaste.nl | 2.19/10 | - | - | Nov 2022 |
| 21 | psgroningen.nl | 2.16/10 | - | - | Nov 2022 |
| 22 | audentis.nl | 2.07/10 | - | 20 | Nov 2022 |
| 23 | bvhm.nl | 2.06/10 | - | - | Nov 2022 |
| 24 | laurentius.nl | 2.05/10 | - | - | Nov 2022 |
| 25 | ksvfranciscus.nl | 2.04/10 | - | - | Nov 2022 |
| 26 | hetesc.nl | 2.03/10 | - | - | Nov 2022 |
| 27 | ssre.nl | 2.03/10 | - | - | Apr 2023 |
| 28 | stormutrecht.nl | 2.01/10 | - | - | Nov 2022 |
| 29 | bilboard.nl | 1.99/10 | - | 1 | Nov 2022 |
| 30 | sgdaedalus.nl | 1.98/10 | - | - | Oct 2025 |
| 31 | flanor.nl | 1.95/10 | - | - | Nov 2022 |
| 32 | svvocus.nl | 1.92/10 | - | - | Feb 2024 |
| 33 | haagsebond.nl | 1.87/10 | - | - | Mar 2025 |
| 34 | pionierautomobielenclub.nl | 1.87/10 | - | - | Jun 2024 |
| 35 | velorium.nl | 1.87/10 | - | - | Dec 2022 |
| 36 | vcmw-sigma.nl | 1.86/10 | - | - | Nov 2022 |
| 37 | nsutrecht.nl | 1.86/10 | - | - | Nov 2022 |
| 38 | uhsk.nl | 1.86/10 | - | - | Nov 2022 |
| 39 | mfvn.nl | 1.85/10 | - | - | Nov 2022 |
| 40 | vipsite.nl | 1.82/10 | - | - | Nov 2022 |
| 41 | vvutrecht.nl | 1.81/10 | - | - | Feb 2023 |
| 42 | gremio-unio.nl | 1.81/10 | - | - | Jun 2026 |
| 43 | tweeslag.nl | 1.80/10 | - | - | Nov 2022 |
| 44 | ssr-w.nl | 1.80/10 | - | - | Sep 2024 |
| 45 | nsleiden.nl | 1.80/10 | - | - | Nov 2022 |
| 46 | vcsvu.nl | 1.79/10 | - | - | Nov 2022 |
| 47 | studiosimobilae.nl | 1.78/10 | - | - | Nov 2022 |
| 48 | islink.nl | 1.76/10 | - | - | Sep 2023 |
| 49 | morrisminorclub.nl | 1.75/10 | - | - | Dec 2022 |
| 50 | kgweesp.nl | 1.73/10 | - | - | Nov 2022 |
| 51 | temagroningen.nl | 1.72/10 | - | - | Nov 2022 |
| 52 | tbvlugus.nl | 1.72/10 | - | - | Nov 2022 |
| 53 | knickerbockers.nl | 1.72/10 | - | - | Nov 2022 |
| 54 | cleopatra-groningen.nl | 1.71/10 | - | - | Nov 2022 |
| 55 | aesculapius.nl | 1.70/10 | 47 | 1 | Feb 2025 |
| 56 | donitas.nl | 1.69/10 | - | - | Nov 2022 |
| 57 | domrenner.nl | 1.69/10 | - | - | Nov 2022 |
| 58 | gszmayday.nl | 1.68/10 | - | - | Nov 2022 |
| 59 | wsvceres.nl | 1.68/10 | - | - | Nov 2022 |
| 60 | rbegmond.nl | 1.66/10 | - | - | Aug 2025 |
| 61 | chemische-binding.nl | 1.66/10 | - | - | Nov 2022 |
| 62 | dante-amersfoort.nl | 1.64/10 | - | - | Nov 2022 |
| 63 | dizkartes.nl | 1.64/10 | - | - | May 2023 |
| 64 | nvvh.com | 1.63/10 | - | - | Aug 2026 |
| 65 | vsrp.nl | 1.63/10 | - | - | Apr 2023 |
| 66 | ubbo-emmius.nl | 1.60/10 | - | - | Nov 2022 |
| 67 | svarchimedes.nl | 1.60/10 | - | - | Nov 2022 |
| 68 | clio.nl | 1.58/10 | - | - | Nov 2022 |
| 69 | studieverenigingeduca.nl | 1.58/10 | - | - | Oct 2024 |
| 70 | idun.nl | 1.57/10 | - | - | Nov 2022 |
| 71 | usra.nl | 1.55/10 | - | - | Apr 2024 |
| 72 | veracles.nl | 1.55/10 | - | - | Nov 2022 |
| 73 | stugg.nl | 1.55/10 | - | - | Nov 2022 |
| 74 | parafrid.nl | 1.52/10 | - | - | Nov 2022 |
| 75 | amphitryon.nl | 1.51/10 | 3 | 2 | Nov 2022 |
| 76 | rtcgroenewoud.nl | 1.51/10 | - | - | Nov 2022 |
| 77 | vijfje.nl | 1.51/10 | - | - | Nov 2022 |
| 78 | paramedus.nl | 1.50/10 | - | - | Nov 2022 |
| 79 | bares.nl | 1.50/10 | - | - | Oct 2023 |
| 80 | circumflex.nl | 1.49/10 | - | - | Nov 2022 |
| 81 | archigenes.nl | 1.48/10 | - | - | Nov 2022 |
| 82 | groningerstudententoneel.nl | 1.47/10 | - | - | Nov 2022 |
| 83 | gozc.nl | 1.47/10 | - | - | Nov 2022 |
| 84 | nonomes.nl | 1.47/10 | - | - | Nov 2022 |
| 85 | siriusenschede.nl | 1.45/10 | - | - | Nov 2022 |
| 86 | studieverenigingid.nl | 1.44/10 | - | - | Apr 2025 |
| 87 | svdimensie.nl | 1.43/10 | - | - | Nov 2022 |
| 88 | dac-leiden.nl | 1.43/10 | - | - | Nov 2022 |
| 89 | nederlandstaligeclubcalpe.nl | 1.42/10 | - | - | Jul 2025 |
| 90 | muziekvereniging-wilhelmina.nl | 1.41/10 | - | - | Nov 2024 |
| 91 | groeneuilenmoestasj.nl | 1.39/10 | - | - | Nov 2022 |
| 92 | gtdbernoulli.nl | 1.39/10 | - | - | Nov 2022 |
| 93 | volleybal-vcn.nl | 1.39/10 | - | - | Nov 2022 |
| 94 | umtc.nl | 1.39/10 | - | - | Sep 2023 |
| 95 | svaaa.nl | 1.38/10 | - | - | Nov 2022 |
| 96 | simonvanderaa.nl | 1.38/10 | - | - | Nov 2022 |
| 97 | fsvfysiek.nl | 1.38/10 | - | - | Nov 2022 |
| 98 | lustrumusc.nl | 1.37/10 | - | - | Jan 2026 |
| 99 | hondavereniging.nl | 1.37/10 | - | - | Nov 2022 |
| 100 | svversatile.nl | 1.36/10 | - | - | Sep 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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