What powers grootkoor.nl?
Last seen Sep 2026 · 27 technologies across 17 categories
Advertising
CDN
CMS
Cookie compliance
Databases
Font scripts
JavaScript Frameworks
JavaScript Libraries
Miscellaneous
Operating Systems
Programming languages
Security
UI frameworks
Web Frameworks
Web Servers
Webmail
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 Sep 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 75% phone
- 26% desktop
Netherlands
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
2.88 / 10 · ranked #1,817,133 of all domains
16 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.7 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 1300 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: Dutch (Netherlands)
- Weight: 1.8 MB · 54 requests
- WordPress theme: bb-theme · all themes
- Structured data: JSON-LD, Microdata, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Hosted on HOSTNET (37.128.148.8)
- Email: no MX record returned
- Email security: DNSSEC signed
- SSL: Let's Encrypt, RSA 2048, expires Nov 2026
- Common Crawl link graph: rank 18,295,565, 2 hosts
DNS records as swept Aug 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| grootkoor.nl | 21 |
| www.grootkoor.nl | 6 |
Full technology history →
Report an incorrect detection
Recent changes
- detected Cookie Script Jul 2026
- detected Microsoft Advertising Jul 2026
- detected Twitter Emoji (Twemoji) Feb 2026
- dropped Priority Hints Dec 2025
- dropped reCAPTCHA Dec 2025