What powers carolus.nl?
Last seen Aug 2026 · 27 technologies across 15 categories
Analytics
Caching
CMS
Databases
Font scripts
JavaScript frameworks
JavaScript libraries
Miscellaneous
Operating Systems
Programming languages
Tag managers
Web Frameworks
Web Servers
Webmail
WordPress plugins
AI Crawlers
Doesn't mention any of the 33 AI crawlers we track in its robots.txt; all are allowed by default. Checked Sep 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 71% phone
- 29% desktop
Netherlands
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.14 / 10 · ranked #1,364,842 of all domains
24 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.8 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 800 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Dutch (Netherlands)
- Weight: 2.0 MB · 59 requests
- WordPress theme: bootscore (child: bootscore-child) · all themes
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
- Carolus Borromeus College
- Country: Netherlands
From Wikidata (CC0).
Infrastructure
- Hosted on EQUEST-AS e-Quest IT Diensten (77.75.48.117, IPv6)
- Email: no MX record returned, SPF names Microsoft 365
- Email security: SPF (hard fail), DMARC reject, DNSSEC signed
- SSL: Let's Encrypt, ECDSA P384, expires Oct 2026
- Common Crawl link graph: rank 13,007,445, 2 hosts
- Verified with: Apple Business, Google, Microsoft 365
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| carolus.nl | 19 |
| www.carolus.nl | 17 |
Full technology history →
Report an incorrect detection
Recent changes
- detected OWL Carousel Jul 2026
- dropped Bootstrap Apr 2026
- dropped cdnjs Apr 2026
- dropped Cloudflare Apr 2026
- dropped Google Font API Apr 2026
- dropped Nginx Jan 2026
- dropped Priority Hints Jan 2026
- dropped Cloudflare Bot Management Dec 2025
- detected Litespeed Cache Dec 2025
- dropped Microsoft 365 Dec 2025
- dropped Vimeo Dec 2025
- detected Google Font API Nov 2025
- detected Nginx Nov 2025