What powers obt.nl?
Last seen Jun 2026 · 22 technologies across 13 categories
Analytics
Google Analytics
since Jan 2019
CDN
Cloudflare
since May 2022
jsDelivr
since Dec 2021
CMS
DNN
since Jan 2019
Amazon SES
since Aug 2022
JavaScript frameworks
JavaScript libraries
Slick
since Dec 2023
SweetAlert
since Jan 2026
Miscellaneous
PWA
since Aug 2022
PaaS
Amazon Web Services
since Aug 2022
Programming languages
Java
since Sep 2023
Security
Video players
Vimeo
since Dec 2023
Web frameworks
Microsoft ASP.NET
since Jan 2019
Webmail
Apple iCloud Mail
since Jan 2023
Microsoft 365
since Aug 2022
Audience
- 63% phone
- 37% desktop
Netherlands
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
2.80 / 10 · ranked #1,983,444 of all domains
14 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.7 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Dutch (Netherlands)
- Weight: 2.0 MB · 75 requests
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| www.obt.nl | 20 |
| scanfe-2018.obt.nl | 9 |
Full technology history →
Report an incorrect detection
Recent changes
- dropped Bootstrap Feb 2026
- dropped cdnjs Feb 2026
- detected Google Analytics Jan 2026
- detected reCAPTCHA Jan 2026
- detected SweetAlert Jan 2026