What powers 
metalura.nl?
Last seen Sep 2026 · 22 technologies across 15 categories
Advertising
Analytics
CDN
Cookie compliance
CRM
JavaScript libraries
Miscellaneous
PaaS
Programming languages
Security
Tag managers
Video players
Web servers
Webmail
AI Crawlers
Does not block any of the 33 AI crawlers we track in its robots.txt. Checked Oct 2026.
Search and AI assistants
- OAI-SearchBot Allowed
The other 32 AI crawlers we track are not mentioned and only inherit the catch-all rules that apply to every crawler.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 69% phone
- 25% desktop
- 6% tablet
Netherlands
Belgium
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.61 / 10 · ranked #811,578 of all domains
46 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.2 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 1600 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Dutch
- Weight: 6.2 MB · 140 requests
- Structured data: JSON-LD, OpenGraph
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
From the homepage's own structured data (Sep 2026).
Infrastructure
- Hosted on COLOCENTER (91.205.193.196, IPv6)
- DNS: TransIP
- Email: Microsoft 365
- Email security: SPF (hard fail), DMARC quarantine, DNSSEC signed
- SSL: Let's Encrypt, ECDSA P256, expires Dec 2026
- Common Crawl link graph: rank 12,918,372, 3 hosts
- Verified with: Google, Microsoft 365
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Full technology history →
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Recent changes
- dropped Ubuntu Jul 2026
- detected HSTS Dec 2025
- detected Ubuntu Dec 2025
- dropped Apache HTTP Server Nov 2025
- dropped HSTS Nov 2025