What powers zwarthout.com?
Last seen Oct 2026 · 41 technologies across 23 categories
Advertising
Analytics
Caching
CDN
CMS
Cookie compliance
CRM
Databases
Ecommerce
Font scripts
Hosting panels
JavaScript libraries
Miscellaneous
PaaS
Page builders
Performance
Programming languages
Security
Tag managers
UI frameworks
Web servers
WordPress plugins
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 Oct 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 59% phone
- 41% desktop
Germany
Netherlands
France
Belgium
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
2.05 / 10 · ranked #3,451,310 of all domains
20 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.1 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 1600 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: English (United Kingdom)
- CDN: Cloudflare
- Weight: 28.7 MB · 32 requests
- WordPress theme: vedder · all themes
- Structured data: JSON-LD, Microdata, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Oct 2026.
Organisation
- Zwarthout
From the homepage's own structured data (Oct 2026).
Infrastructure
- Hosted on Cloudflare (104.21.65.174, IPv6)
- DNS: Cloudflare DNS
- Email: Microsoft 365
- Email security: SPF (hard fail), DMARC monitor only, CAA
- SSL: Google Trust Services, ECDSA P256, wildcard, expires Dec 2026
- Common Crawl link graph: rank 15,002,393, 2 hosts
- Verified with: Google
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| zwarthout.com | 38 |
| www.zwarthout.com | 17 |
Full technology history →
Report an incorrect detection
Recent changes
- dropped Apache HTTP Server Oct 2026
- detected Priority Hints Oct 2026
- detected Cloudflare Sep 2026
- detected Cloudflare Browser Insights Sep 2026
- dropped Leadinfo Sep 2026
- detected Redis Sep 2026
- detected Redis Object Cache Sep 2026
- detected Amazon S3 Aug 2026
- detected Amazon Web Services Aug 2026
- detected HSTS Jun 2026
- detected Twitter Emoji (Twemoji) Dec 2025