What powers ruuddenhartog.nl?
Last seen Aug 2026 · 12 technologies across 11 categories
Analytics
Google Analytics
since Mar 2020
JavaScript libraries
Live chat
WhatsApp Business Chat
since Feb 2022
Operating systems
Debian
since Sep 2020
Programming languages
PHP
since Mar 2020
Security
HSTS
since Sep 2022
UI frameworks
Web frameworks
CakePHP
since Sep 2021
Web servers
Webmail
Microsoft 365
since Aug 2022
Widgets
Elfsight
since Jul 2025
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
- 79% phone
- 21% desktop
Netherlands
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
1.35 / 10 · ranked #8,079,793 of all domains
3 referring domains · OpenPageRank
Page
- Language: English
- Weight: 8.7 MB · 75 requests
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on OPENFIBER (171.22.67.30, IPv6)
- DNS: european-server.eu
- Email: Microsoft 365
- Email security: SPF (hard fail), no DMARC record
- SSL: Trust Provider B.V., RSA 4096, expires Feb 2027
- Common Crawl link graph: rank 45,664,861, 2 hosts
- Verified with: Microsoft 365
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| ruuddenhartog.nl | 12 |
| www.ruuddenhartog.nl | 12 |
Full technology history →
Report an incorrect detection
Recent changes
- detected Debian Jul 2026