What powers zangschoolrotterdam.nl?
Last seen Sep 2026 · 21 technologies across 12 categories
Analytics
Caching
WordPress Super Cache
since Jul 2020
CMS
Databases
MySQL
since Jul 2020
Font scripts
Typekit
since Sep 2025
JavaScript frameworks
Svelte
since Nov 2025
JavaScript libraries
DataTables
since Jul 2020
Select2
since Aug 2022
Miscellaneous
Open Graph
since Sep 2022
Programming languages
PHP
since Jul 2020
UI frameworks
Tailwind CSS
since Nov 2025
Video players
YouTube
since Jul 2020
WordPress plugins
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 not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
Netherlands
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
1.34 / 10 · ranked #8,194,300 of all domains
3 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 1600 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Dutch (Netherlands)
- Weight: 4.2 MB · 76 requests
- WordPress theme: zangschool-rotterdam · all themes
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on PROCOLIX (95.215.189.68)
- DNS: slik.eu
- Email: slik.eu
- Email security: SPF (soft fail), DMARC monitor only
- SSL: Let's Encrypt, RSA 2048, expires Dec 2026
- Common Crawl link graph: rank 29,686,564
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Full technology history →
Report an incorrect detection
Recent changes
- detected Bootstrap Icons Nov 2025
- detected Svelte Nov 2025
- detected Tailwind CSS Nov 2025