What powers 
zel.nl?
Last seen Sep 2026 · 20 technologies across 14 categories
Analytics
Google Analytics
since Jan 2019
Microsoft Clarity
since Jan 2026
CDN
Comment systems
Cookie compliance
CRM
Zoho
since Jan 2023
Microsoft 365
since Aug 2022
Zoho Mail
since Jan 2023
Hosting panels
Plesk
since Jan 2019
JavaScript libraries
Maps
Miscellaneous
Programming languages
PHP
since Jan 2019
Security
HSTS
since Aug 2024
Tag managers
Google Tag Manager
since Jun 2022
Web servers
Nginx
since Jan 2019
AI Crawlers
Doesn't mention any of the 33 AI crawlers we track in its robots.txt; all are allowed by default. Checked Oct 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 58% phone
- 42% desktop
Netherlands
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.63 / 10 · ranked #800,398 of all domains
32 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.9 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: Dutch
- Weight: 20.7 MB · 55 requests
- Structured data: OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on NL-BIT BIT BV (185.173.22.15, IPv6)
- DNS: myrootnet.com
- Email: Barracuda
- Email security: SPF (hard fail), DMARC monitor only, DNSSEC signed
- SSL: Let's Encrypt, ECDSA P256, expires Dec 2026
- Common Crawl link graph: rank 7,659,111, 5 hosts
- Verified with: Cisco, Microsoft 365, Zoho
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| zel.nl | 18 |
| zorgbulletin.zel.nl | 6 |
Full technology history →
Report an incorrect detection
Recent changes
- detected jQuery CDN Jul 2026
- detected Microsoft Clarity Jan 2026