What powers hcrotterdam.com?
Last seen Sep 2026 · 22 technologies across 14 categories
Analytics
CDN
CMS
Cookie compliance
Font scripts
JavaScript libraries
Miscellaneous
Performance
Photo galleries
Security
Tag managers
UI frameworks
Web frameworks
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.
- robots.txt found
- llms.txt found
- ai.txt not found
Content Signals:
search=yes ai-train=yes ai-input=yes declared in robots.txt
AI Crawlers
No AI crawlers blocked
Standards: llms.txt, Content Signals
Audience
- 62% phone
- 38% desktop
Netherlands
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
2.32 / 10 · ranked #2,834,682 of all domains
23 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.2 s |
| INP | 75 ms |
| CLS | 0.05 |
| TTFB | 700 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: Dutch
- CDN: Cloudflare
- Weight: 9.9 MB · 79 requests
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Hosted on Cloudflare (104.21.25.173, IPv6)
- DNS: Cloudflare DNS
- Email: Microsoft 365
- Email security: SPF (hard fail), DMARC quarantine, DNSSEC signed
- SSL: Google Trust Services, ECDSA P256, wildcard, expires Oct 2026
- Common Crawl link graph: rank 12,073,291, 2 hosts
- Verified with: Google, Microsoft 365
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| www.hcrotterdam.com | 15 |
| hcrotterdam.com | 12 |
Full technology history →
Report an incorrect detection
Recent changes
- dropped lit-element Sep 2026
- dropped lit-html Sep 2026
- dropped Java Jul 2026
- dropped Cloudflare Browser Insights Jun 2026
- detected Java May 2026
- dropped Java Feb 2026
- dropped Webpack Jan 2026