What powers certa.nl?
Last seen Jun 2026 · 36 technologies across 18 categories
Analytics
Cloudflare Browser Insights
since Nov 2025
Google Analytics
since Jan 2022
CDN
Cloudflare
since Jan 2023
jsDelivr
since Mar 2026
CMS
Databases
MySQL
since Jan 2022
Microsoft 365
since Jul 2024
Font scripts
Hosting
Hostinger
since Jan 2023
JavaScript libraries
Slick
since May 2024
Marketing automation
Sendinblue
since Jan 2023
Miscellaneous
Performance
Priority Hints
since Aug 2023
Photo galleries
PhotoSwipe
since May 2024
Programming languages
Security
UI frameworks
Animate.css
since May 2024
Video players
Vimeo
since Jan 2022
WordPress plugins
Litespeed Cache
since Nov 2024
Popup Maker
since Apr 2022
RankMath SEO
since May 2024
TablePress
since Jul 2024
WP Rocket
since May 2024
WordPress themes
Genesis theme
since May 2024
Audience
Netherlands
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
2.88 / 10 · ranked #1,815,870 of all domains
15 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2 s |
| INP | 75 ms |
| CLS | 0.6 |
| TTFB | 1000 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Dutch (Netherlands)
- CDN: Cloudflare
- Weight: 4.8 MB · 139 requests
- WordPress theme: genesis (child: probu-thema) · all themes
- Structured data: JSON-LD, Microdata, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.
Full technology history →
Report an incorrect detection
Recent changes
- detected jsDelivr Mar 2026
- detected reCAPTCHA Jan 2026
- dropped TinyMCE Jan 2026
- dropped cdnjs Dec 2025
- detected Cloudflare Browser Insights Nov 2025
- dropped core-js Nov 2025
- detected Font Awesome Nov 2025
- detected TablePress Nov 2025
- detected TinyMCE Nov 2025