What powers theory.nl?
Last seen Jun 2026 · 24 technologies across 13 categories
Analytics
Cloudflare Browser Insights
since Nov 2025
Google Analytics
since Mar 2024
Matomo Analytics
since Mar 2025
Microsoft Clarity
since Feb 2026
CDN
Cloudflare
since Mar 2024
CMS
Databases
MySQL
since Mar 2024
Font scripts
Font Awesome
since Feb 2026
Google Font API
since Mar 2024
JavaScript libraries
Live chat
WhatsApp Business Chat
since Mar 2024
Miscellaneous
Performance
Priority Hints
since Mar 2024
Programming languages
UI frameworks
Video players
WordPress plugins
RankMath SEO
since Mar 2024
Rich Plugins Reviews
since Mar 2024
Audience
- 66% desktop
- 34% phone
Netherlands
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
1.31 / 10 · ranked #8,498,251 of all domains
2 referring domains · OpenPageRank
Core Web Vitals
| LCP | 9.3 s |
| INP | 125 ms |
| CLS | 0 |
| TTFB | 9100 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: English
- CDN: Cloudflare
- Weight: 11.5 MB · 108 requests
- WordPress theme: divi · all themes
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.
Full technology history →
Report an incorrect detection
Recent changes
- dropped jQuery UI Mar 2026
- detected Font Awesome Feb 2026
- detected Microsoft Clarity Feb 2026
- detected Cloudflare Browser Insights Nov 2025