What powers 
z-index.nl?
Last seen Jan 2026 · 10 technologies across 8 categories
Analytics
Matomo Analytics
since Aug 2020
CMS
Hosting
Drupal Multisite
since Oct 2025
JavaScript libraries
Miscellaneous
PWA
since Oct 2025
Programming languages
Security
HSTS
since Sep 2022
Web servers
Apache HTTP Server
since Jun 2019
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 checked
- ai.txt not checked
AI Crawlers
No AI crawlers blocked
Audience
- 100% desktop
Netherlands
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.71 / 10 · ranked #757,949 of all domains
25 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.5 s |
| INP | 25 ms |
| CLS | 0 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Aug 2026.
Infrastructure
- Hosted on ASN-ROUTIT (145.131.201.72)
- DNS: bhosted.nl
- Email: Microsoft 365
- Email security: SPF (hard fail), DMARC reject, DNSSEC signed, CAA
- SSL: Let's Encrypt, ECDSA P256, expires Dec 2026
- Common Crawl link graph: rank 11,020,487, 3 hosts
- Verified with: Atlassian, Google, KnowBe4, Microsoft 365
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| www.z-index.nl | 9 |
| login.z-index.nl | 3 |
Full technology history →
Report an incorrect detection
Recent changes
- dropped Google Analytics Jan 2026
- dropped jQuery UI Jan 2026
- dropped Modernizr Jan 2026
- dropped Pure CSS Jan 2026
- dropped YouTube Jan 2026