What powers opuspersonaltraining.nl?
Last seen Oct 2026 · 30 technologies across 17 categories
Analytics
Caching
CDN
CMS
Databases
Font scripts
JavaScript graphics
JavaScript libraries
Marketing automation
Miscellaneous
Page builders
Programming languages
Security
UI frameworks
Web frameworks
Web servers
WordPress plugins
AI Crawlers
Doesn't mention any of the 33 AI crawlers we track in its robots.txt; all are allowed by default. Checked Oct 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 100% phone
Netherlands
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
1.17 / 10 · ranked #10,224,897 of all domains
1 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1 s |
| CLS | 0 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: Dutch (Netherlands)
- Weight: 2.0 MB · 101 requests
- WordPress theme: salient · all themes
- Structured data: JSON-LD, OpenGraph
Homepage as crawled by the HTTP Archive, Oct 2026.
Organisation
- OPUS personal training
- Profiles: Facebook
From the homepage's own structured data (Oct 2026).
Infrastructure
- Hosted on Hetzner (138.201.219.120)
- DNS: TransIP
- Email: TransIP
- Email security: SPF (hard fail), DMARC monitor only, DNSSEC signed
- SSL: Let's Encrypt, RSA 4096, expires Dec 2026
- Common Crawl link graph: rank 99,692,590
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Full technology history →
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Recent changes
- dropped Priority Hints Oct 2026
- dropped WP Rocket Oct 2026
- detected Twitter Emoji (Twemoji) Sep 2026
- dropped jQuery UI Aug 2026
- dropped Popup Maker Aug 2026
- dropped core-js Jul 2026
- dropped reCAPTCHA Jul 2026
- detected HSTS Jun 2026
- detected HTTP/3 Jun 2026
- detected Varnish Jun 2026
- detected Cloudflare Mar 2026
- detected Cloudflare Bot Management Mar 2026
- detected libphonenumber Mar 2026