What powers pe-rc.nl?
Last seen Aug 2026 · 12 technologies across 7 categories
CMS
Font scripts
JavaScript libraries
Miscellaneous
Mobile frameworks
Programming languages
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 Sep 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 75% desktop
- 25% phone
Netherlands
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
4.36 / 10 · ranked #424,620 of all domains
48 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.7 s |
| INP | 25 ms |
| CLS | 0.05 |
| TTFB | 900 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: English
- Weight: 4.4 MB · 36 requests
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
- C.T. de Wit Graduate School for Production Ecology and Resource Conservation
- Founded: 1993
- Country: Netherlands
From Wikidata (CC0).
Infrastructure
- Hosted on AS-ZXCS (185.104.29.172)
- DNS: zxcs.be
- Email: pe-rc.nl
- Email security: no SPF record, no DMARC record, DNSSEC signed
- SSL: Let's Encrypt, RSA 4096, expires Oct 2026
- Common Crawl link graph: rank 82,346, 3 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
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Recent changes
- dropped Bootstrap Mar 2026
- dropped OWL Carousel Mar 2026
- dropped FancyBox Oct 2025
- dropped Google Analytics Oct 2025
- dropped GSAP Oct 2025
- dropped Lightbox Oct 2025
- dropped RSS Oct 2025
- dropped Slider Revolution Oct 2025