What powers 
proteion.nl?
Last seen Aug 2026 · 28 technologies across 18 categories
Advertising
Analytics
CDN
CMS
Cookie compliance
Customer data platform
JavaScript frameworks
JavaScript graphics
JavaScript libraries
Miscellaneous
Programming languages
Security
Tag managers
UI frameworks
Web frameworks
Web servers
Webmail
AI Crawlers
Doesn't mention any of the 33 AI crawlers we track in its robots.txt; all are allowed by default. Checked Sep 2026. A recent check saw a policy file missing; awaiting confirmation.
- robots.txt found
- llms.txt not found
- ai.txt not found
- Sep 2026 robots.txt appeared
- Sep 2026 * added to robots.txt
AI Crawlers
No AI crawlers blocked
Audience
- 100% phone
Netherlands
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
4.12 / 10 · ranked #494,986 of all domains
42 referring domains · OpenPageRank
Core Web Vitals
| LCP | 5.8 s |
| INP | 125 ms |
| CLS | 0.9 |
| TTFB | 3100 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Weight: 2.0 MB · 46 requests
- Structured data: Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
- Proteion
- Country: Netherlands
From Wikidata (CC0).
Infrastructure
- Hosted on Hetzner (88.99.217.59)
- DNS: networkoperations.nl
- Email: Microsoft 365
- Email security: SPF (soft fail), DMARC reject
- SSL: Let's Encrypt, ECDSA P384, expires Oct 2026
- Common Crawl link graph: rank 2,442,948, 8 hosts
- Verified with: Apple Business, Google
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| www.proteion.nl | 15 |
| flexteam.proteion.nl | 14 |
| leerhuis.proteion.nl | 10 |