What powers corrosia.nl?
Last seen Aug 2026 · 20 technologies across 12 categories
Analytics
CDN
Font scripts
JavaScript libraries
Miscellaneous
PaaS
Programming languages
Security
UI frameworks
Web frameworks
Webmail
AI Crawlers
Blocks 5 of 33 AI crawlers we track by name in its robots.txt. Checked Aug 2026.
Training crawlers
- Bytespider Blocked
- cohere-training-data-crawler Blocked
- FacebookBot Blocked
- Webzio-Extended Blocked
- Applebot-Extended Allowed
- CCBot Allowed
- ClaudeBot Allowed
- Google-Extended Allowed
- GPTBot Allowed
- meta-externalagent Allowed
Search and AI assistants
- PetalBot Blocked
- Amazonbot Allowed
- Applebot Allowed
- Claude-SearchBot Allowed
- OAI-SearchBot Allowed
- PerplexityBot Allowed
User-request fetchers
- ChatGPT-User Allowed
- Claude-User Allowed
- Perplexity-User Allowed
The other 14 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
5 of 33 AI crawlers blocked
Audience
- 100% phone
Netherlands
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.30 / 10 · ranked #1,133,636 of all domains
37 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.1 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 1000 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Dutch
- Weight: 1.8 MB · 57 requests
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
- Cultureel Centrum Corrosia
- Profiles: LinkedIn
From the homepage's own structured data (Sep 2026).
Infrastructure
- Hosted on LUNA (185.50.95.98, IPv6)
- Email: Microsoft 365
- Email security: SPF (hard fail), DMARC monitor only, DNSSEC signed, CAA
- SSL: Let's Encrypt, RSA 3072, expires Nov 2026
- Common Crawl link graph: rank 3,190,110, 2 hosts
- Verified with: Apple Business, Google, MailerLite, Microsoft 365
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted