What powers zeinstra.nl?
Last seen Jun 2026 · 19 technologies across 12 categories
Analytics
Google Analytics
since Jan 2019
Databases
MySQL
since Jan 2019
Ecommerce
Cart Functionality
since Aug 2020
Font scripts
JavaScript frameworks
JavaScript libraries
Moment.js
since Jan 2021
Programming languages
PHP
since Jan 2019
Search engines
Elasticsearch
since Apr 2026
ElasticSuite
since Apr 2026
Security
reCAPTCHA
since Oct 2021
UI frameworks
Bootstrap
since Jan 2021
Web servers
Webmail
Microsoft 365
since Feb 2024
Audience
- 63% phone
- 37% desktop
Netherlands
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
1.60 / 10 · ranked #5,704,078 of all domains
5 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.6 s |
| INP | 75 ms |
| CLS | 0.05 |
| TTFB | 1100 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Dutch
- Weight: 1.7 MB · 266 requests
Homepage as crawled by the HTTP Archive, Jul 2026.
Full technology history →
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Recent changes
- detected Elasticsearch Apr 2026
- detected ElasticSuite Apr 2026