What powers johanvanderwielen.nl?
Last seen Sep 2026 · 31 technologies across 13 categories
CMS
Databases
Font scripts
JavaScript libraries
Miscellaneous
Photo galleries
Programming languages
Security
UI frameworks
Video players
Web servers
WordPress plugins
WordPress themes
AI Crawlers
Doesn't name any of the 33 AI crawlers we track in its robots.txt. Catch-all rules (User-agent: *) restrict some paths for every crawler, AI or not. Checked Sep 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
- Sep 2026 robots.txt appeared
- Sep 2026 * added to robots.txt
AI Crawlers
No AI crawlers blocked
Audience
- 56% desktop
- 45% phone
Netherlands
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
2.42 / 10 · ranked #2,647,585 of all domains
12 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.2 s |
| INP | 25 ms |
| CLS | 0 |
| TTFB | 1600 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: Dutch (Netherlands)
- Weight: 17.2 MB · 177 requests
- WordPress theme: genesis (child: imagely-rebel) · all themes
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
- Johan van der Wielen
From the homepage's own structured data (Sep 2026).
Infrastructure
- Hosted on CLDIN-NL Your Hosting B.V. part of Your.Online (185.87.184.196)
- DNS: auroradns.eu
- Email: tansarc.nl
- Email security: SPF (soft fail), no DMARC record, DNSSEC signed
- SSL: Let's Encrypt, RSA 2048, expires Nov 2026
- Common Crawl link graph: rank 13,766,223, 2 hosts
DNS records as swept Aug 2026, certificate as seen Sep 2026. How the web is hosted
Full technology history →
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Recent changes
- dropped Selectize Feb 2026
- detected core-js Jan 2026
- detected Twitter Emoji (Twemoji) Jan 2026
- detected Ivory Search Nov 2025