What powers 
umu.nl?
Last seen Oct 2026 · 31 technologies across 18 categories
Advertising
Analytics
CDN
CMS
Databases
Hosting
IaaS
JavaScript frameworks
JavaScript libraries
Miscellaneous
Page builders
Performance
Programming languages
Security
SEO
Tag managers
UI frameworks
WordPress plugins
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 Nov 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 77% phone
- 19% desktop
- 4% tablet
Netherlands
Belgium
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
4.69 / 10 · ranked #357,822 of all domains
72 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.3 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 900 ms |
Real user p75, Chrome UX Report, Oct 2026.
Page
- Weight: 21.6 MB · 82 requests
- WordPress theme: umu-2026 · all themes
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Oct 2026.
Organisation
- UMU - Universiteitsmuseum Utrecht
- Profiles: Instagram
From the homepage's own structured data (Oct 2026).
Infrastructure
- Registered May 2000 (26 years) via SURF B.V.
- Hosted on SURFNET-NL SURF B.V. (131.211.194.159)
- DNS: uu.nl
- Email: no MX record returned
- Email security: SPF (hard fail), DMARC reject
- SSL: HARICA, RSA 4096, expires Mar 2027
- Common Crawl link graph: rank 703,420, 4 hosts
DNS records as swept Nov 2026, certificate as seen Nov 2026, registration from the registry's RDAP service. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| umu.nl | 22 |
| tickets.umu.nl | 15 |
Full technology history →
Report an incorrect detection
Recent changes
- detected Koko Analytics Oct 2026
- detected Priority Hints Oct 2026
- detected WordPress Block Editor Oct 2026
- detected WordPress Multisite Oct 2026
- dropped Cart Functionality Apr 2026
- detected Cloudflare Bot Management Apr 2026
- dropped Google Analytics Enhanced eCommerce Apr 2026
- detected Cloudflare Browser Insights Mar 2026
- dropped Cloudflare Bot Management Dec 2025