What powers 
erfgoedcentrumzutphen.nl?
Last seen Sep 2026 · 19 technologies across 13 categories
Analytics
CDN
CMS
Comment systems
Font scripts
JavaScript frameworks
JavaScript libraries
Maps
Miscellaneous
Programming languages
Security
UI frameworks
Web servers
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 Oct 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 63% desktop
- 37% phone
Netherlands
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
4.39 / 10 · ranked #419,553 of all domains
57 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.9 s |
| INP | 50 ms |
| CLS | 0.2 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: Dutch
- Weight: 8.4 MB · 177 requests
- Structured data: JSON-LD, Microdata, OpenGraph
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
- Erfgoedcentrum Zutphen (Heritage Centre Zutphen on Wikidata)
- Country: Netherlands
- Profiles: Facebook
From the homepage's own structured data (Sep 2026) and Wikidata (CC0).
Infrastructure
- Hosted on PICTURA-NET (195.93.224.192, IPv6)
- DNS: TransIP
- Email: no MX record returned
- Email security: DNSSEC signed
- SSL: Let's Encrypt, RSA 2048, expires Nov 2026
- Common Crawl link graph: rank 1,321,001, 4 hosts
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| vergunningdossiers.erfgoedcentrumzutphen.nl | 14 |
| erfgoedcentrumzutphen.nl | 12 |
Full technology history →
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