What powers os-sci.nl?
Last seen Aug 2026 · 26 technologies across 16 categories
Advertising
Reddit Ads
since May 2026
Analytics
CDN
Cloudflare
since Feb 2026
CMS
Databases
PostgreSQL
since Feb 2026
Ecommerce
Cart Functionality
since Feb 2026
Font scripts
Google Font API
since Feb 2026
JavaScript libraries
Marketing automation
HubSpot
since Apr 2026
Miscellaneous
Operating systems
Ubuntu
since Feb 2026
Programming languages
Security
Cloudflare Bot Management
since Feb 2026
HSTS
since Feb 2026
Tag managers
Google Tag Manager
since Feb 2026
Matomo Tag Manager
since Feb 2026
Video players
Vimeo
since Jun 2026
Web servers
AI Crawlers
Doesn't mention any of the 33 AI crawlers we track in its robots.txt; all are allowed by default. Checked Aug 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
2.14 / 10 · ranked #3,236,824 of all domains
7 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.9 s |
| INP | 100 ms |
| CLS | 0 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Dutch (Netherlands)
- Weight: 5.1 MB · 174 requests
- Structured data: OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.
Full technology history →
Report an incorrect detection
Recent changes
- dropped HubSpot Chat Jun 2026
- detected Vimeo Jun 2026
- detected Linkedin Insight Tag May 2026
- detected Reddit Ads May 2026
- detected Google Analytics Apr 2026
- detected HubSpot Apr 2026
- detected HubSpot Chat Apr 2026