What powers 
ushersyndroom.nl?
Last seen Aug 2026 · 45 technologies across 21 categories
Accessibility
UserWay
since Aug 2020
Analytics
Google Analytics
since May 2019
Caching
Redis Object Cache
since Dec 2025
CDN
Google Hosted Libraries
since Apr 2023
CMS
WordPress
since May 2019
Databases
Ecommerce
Cart Functionality
since Aug 2020
MailChimp
since Feb 2021
Font scripts
Font Awesome
since May 2019
Google Font API
since May 2019
JavaScript frameworks
JavaScript libraries
Miscellaneous
Performance
Priority Hints
since Aug 2023
Programming languages
Security
Really Simple SSL & Security
since Sep 2024
reCAPTCHA
since Sep 2021
Tag managers
Google Tag Manager
since May 2019
Video players
YouTube
since Jul 2020
Web servers
Apache HTTP Server
since May 2019
LiteSpeed
since Aug 2021
Webmail
Microsoft 365
since Aug 2022
WordPress plugins
WordPress themes
AI Crawlers
Doesn't mention any of the 33 AI crawlers we track in its robots.txt; all are allowed by default. Checked Sep 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
Netherlands
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
4.26 / 10 · ranked #442,155 of all domains
76 referring domains · OpenPageRank
Core Web Vitals
| LCP | 3.9 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 3400 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Dutch (Netherlands)
- Weight: 7.0 MB · 154 requests
- WordPress theme: enfold (child: enfold-child) · all themes
- Structured data: JSON-LD, Microdata, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on AS-ZXCS (185.104.29.22, IPv6)
- Email: Microsoft 365
- Email security: SPF (hard fail), DMARC monitor only, DNSSEC signed
- SSL: Let's Encrypt, RSA 4096, expires Oct 2026
- Common Crawl link graph: rank 744,850, 3 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| ushersyndroom.nl | 28 |
| www.ushersyndroom.nl | 27 |
| hetverhaalvan.ushersyndroom.nl | 24 |
Full technology history →
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Recent changes
- detected WP Rocket Nov 2025