What powers gaudeamus.nl?

Last seen Aug 2026 · 23 technologies across 14 categories

Analytics

Facebook Pixel v2.9.356
since Aug 2025
Google Analytics
since May 2019

Caching

Litespeed Cache
since Aug 2026

CDN

jQuery CDN
since Aug 2026

CMS

WordPress
since Apr 2019

Databases

MySQL
since Apr 2019

JavaScript libraries

core-js v3.33.3
since Sep 2021
jQuery v3.7.1
since Apr 2019
jQuery Migrate v3.5.2
since Apr 2019
Modernizr
since Apr 2019
Slick
since Sep 2020
Swiper
since Aug 2026

Miscellaneous

HTTP/3
since Jan 2023
Open Graph
since Sep 2022
PWA
since Aug 2022

Payment processors

PayPal
since Mar 2025

Performance

Priority Hints
since Dec 2023

Programming languages

PHP
since Apr 2019

Tag managers

Google Tag Manager
since Mar 2022

Web servers

LiteSpeed
since Jan 2023

Webmail

Google Workspace
since Aug 2022

WordPress plugins

Gravity Forms
since Apr 2019
WPML v4.9.6
since Mar 2023

AI Crawlers

Doesn't name any of the 33 AI crawlers we track in its robots.txt. Catch-all rules (User-agent: *) restrict some paths for every crawler, AI or not. Checked Sep 2026.

  • robots.txt found
  • llms.txt not found
  • ai.txt not found

See who blocks each AI crawler across the web

Top search keywords

KeywordPositionEst. monthly visits
tan dun #40 2
what nationality is patrick ellis #7 2
kelly sheehan #27 2
eli keszler #27 2
chi wang #20 1
concepcion huerta #7 1
sky macklay #14 1
jennifer walshe composer #13 1
which composer described the different planes of listening to music #64 0
which composer described the different planes of listening to music #56 0
bowler in music #41 0
terrapolis #24 0
baldwin giang #13 0
scot rubin #20 0
struin #65 0
andrius arutiunian #59 0
panda session #52 0
panda session #52 0
james o'callaghan #35 0
lee sung hyun #28 0
metamorphosis festival tickets #70 0
mojgan shajarian #14 0
geert d'hollander #17 0
history of sound timeline #82 0
history of electronic music timeline #22 0

The site's top keywords in Google (US), with the visits each one is estimated to bring per month.

Top backlinks

Top links pointing at the site, one per source domain, strongest first. The anchor text opens the page carrying the link.

AI Crawlers

No AI crawlers blocked

Full breakdown

Audience

  • 58% desktop
  • 42% phone
  • Netherlands

Where the site's Chrome visitors come from, largest estimated audience first.

Open Page Rank

5.55 / 10 · ranked #153,370 of all domains

172 referring domains · OpenPageRank

Search traffic

12 est. monthly organic visits (US)

31 keywords in Google's top 30

Core Web Vitals

LCP1.2 s
INP50 ms
CLS0
TTFB800 ms

Real user p75, Chrome UX Report, Aug 2026.

Page

  • Language: Dutch (Netherlands)
  • Weight: 2.0 MB · 51 requests

Homepage as crawled by the HTTP Archive, Sep 2026.

Organisation

  • Gaudeamus Foundation
  • Founded: 1945
  • Country: Netherlands

From Wikidata (CC0).

Infrastructure

  • Hosted on DUOCAST-AS (45.82.188.235)
  • Email: no MX record returned
  • Email security: DNSSEC signed
  • SSL: Let's Encrypt, ECDSA P256, expires Dec 2026
  • Common Crawl link graph: rank 672,474, 4 hosts

DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted

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