What powers rolduc.nl?
Last seen Sep 2026 · 11 technologies across 8 categories
CDN
jQuery CDN
since Aug 2022
CMS
TYPO3 CMS
since Mar 2021
Font scripts
Google Font API
since Mar 2021
JavaScript frameworks
JavaScript libraries
Programming languages
PHP
since Mar 2021
UI frameworks
Web servers
Apache HTTP Server
since Mar 2021
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
Netherlands
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
2.77 / 10 · ranked #2,054,032 of all domains
16 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.9 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 500 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Weight: 1.3 MB · 40 requests
- Structured data: Microdata
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
- Rolduc
- Founded: 1106
- Country: Netherlands
From Wikidata (CC0).
Infrastructure
- Hosted on PREVIDER-AS (141.138.168.153, IPv6)
- Email: rolduc.nl
- Email security: SPF (soft fail), DMARC quarantine, DNSSEC signed
- SSL: Let's Encrypt, RSA 4096, expires Dec 2026
- Common Crawl link graph: rank 832,783, 2 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted