What powers centrum-oosterwal.nl?
Last seen Sep 2026 · 18 technologies across 10 categories
Analytics
Google Analytics
since Jan 2019
Hosting panels
Plesk
since Jan 2019
JavaScript frameworks
JavaScript libraries
Miscellaneous
Programming languages
Security
HSTS
since Mar 2026
UI frameworks
Bootstrap
since Jan 2019
Web servers
Nginx
since Aug 2019
Webmail
Apple iCloud Mail
since Jan 2023
AI Crawlers
No robots.txt, so all AI crawlers are allowed by default. Checked Sep 2026.
- robots.txt not found
- llms.txt not found
- ai.txt not found
AI Crawlers
No robots.txt, all AI crawlers allowed
Audience
- 84% phone
- 16% desktop
Netherlands
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.26 / 10 · ranked #1,184,907 of all domains
27 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 800 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Weight: 0.5 MB · 40 requests
Homepage as crawled by the HTTP Archive, Oct 2026.
Organisation
- Centrum Oosterwal
- Founded: 2003
- Country: Netherlands
From Wikidata (CC0).
Infrastructure
- Hosted on Leaseweb (83.149.100.201)
- Email: no MX record returned
- Email security: SPF (hard fail), DMARC monitor only, DNSSEC signed
- SSL: Let's Encrypt, RSA 2048, expires Nov 2026
- Common Crawl link graph: rank 24,714,321, 2 hosts
- Verified with: Apple Business, Atlassian, Microsoft 365
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| centrum-oosterwal.nl | 11 |
| www.centrum-oosterwal.nl | 10 |
| mijn.centrum-oosterwal.nl | 9 |