What powers ruudzander.nl?
Last seen Sep 2026 · 18 technologies across 14 categories
Analytics
Caching
CDN
CMS
Databases
Font scripts
Miscellaneous
Page builders
Programming languages
Security
Tag managers
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
AI Crawlers
No AI crawlers blocked
Audience
Netherlands
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
1.77 / 10 · ranked #4,548,669 of all domains
7 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2 s |
| CLS | 0 |
| TTFB | 2300 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Dutch (Netherlands)
- CDN: Cloudflare
- Weight: 0.8 MB · 45 requests
- WordPress theme: kadence (child: kadence-child) · all themes
- Structured data: JSON-LD, Microdata, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
- Ruud Zander
From the homepage's own structured data (Sep 2026).
Infrastructure
- Hosted on Cloudflare (104.21.50.119, IPv6)
- Email: Microsoft 365
- Email security: no SPF record, no DMARC record, DNSSEC signed
- SSL: Google Trust Services, ECDSA P256, wildcard, expires Nov 2026
- Common Crawl link graph: rank 28,179,570, 2 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Full technology history →
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Recent changes
- dropped Apache HTTP Server Sep 2026
- dropped Contact Form 7 Sep 2026
- dropped core-js Sep 2026
- dropped FancyBox Sep 2026
- dropped Google Font API Sep 2026
- dropped Google Tag Manager for WordPress Sep 2026
- dropped HSTS Sep 2026
- dropped jQuery Sep 2026
- dropped jQuery Migrate Sep 2026
- dropped RSS Sep 2026
- dropped wpBakery Sep 2026
- detected HTTP/3 May 2026
- detected Kadence WP Blocks May 2026
- detected Kadence WP Kadence May 2026
- detected Twitter Emoji (Twemoji) May 2026
- detected Typekit May 2026
- detected WordPress Block Editor May 2026