What powers arnold-siedsma.nl?
Last seen Jun 2026 · 19 technologies across 13 categories
Advertising
Microsoft Advertising
since Oct 2024
Analytics
Google Analytics
since Jan 2019
Leadinfo
since Apr 2025
CMS
WordPress
since Nov 2021
Cookie compliance
Databases
MySQL
since Nov 2021
Font scripts
Twitter Emoji (Twemoji)
since Nov 2021
JavaScript libraries
Flickity
since Nov 2021
Miscellaneous
Open Graph
since Sep 2022
RSS
since Dec 2022
Programming languages
PHP
since Jan 2019
Security
HSTS
since Jun 2023
Tag managers
Google Tag Manager
since Jan 2019
Web servers
Nginx
since Jan 2019
WordPress plugins
Gravity Forms
since Nov 2021
RankMath SEO
since Nov 2025
Audience
Netherlands
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
3.98 / 10 · ranked #585,429 of all domains
50 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 600 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Dutch (Netherlands)
- Weight: 2.0 MB · 95 requests
- WordPress theme: arnold-siedsma · 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
- detected Twitter Emoji (Twemoji) Dec 2025
- dropped Yoast SEO Dec 2025
- detected RankMath SEO Nov 2025
- dropped Microsoft 365 Aug 2025