What powers vierjaargetijdenvivaldi.nl?
Last seen Oct 2026 · 20 technologies across 14 categories
Advertising
Analytics
CDN
CMS
Databases
Ecommerce
JavaScript frameworks
JavaScript libraries
Marketing automation
Miscellaneous
Programming languages
Security
SEO
Tag managers
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
- 82% phone
- 12% desktop
- 6% tablet
Netherlands
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
2.15 / 10 · ranked #3,220,904 of all domains
10 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.3 s |
| INP | 100 ms |
| CLS | 0 |
| TTFB | 500 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: Dutch (Netherlands)
- CDN: Cloudflare
- Weight: 4.9 MB · 45 requests
- WordPress theme: klassiek-main · all themes
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Oct 2026.
Organisation
- Vier Jaargetijden Vivaldi
From the homepage's own structured data (Oct 2026).
Infrastructure
- Hosted on Cloudflare (104.21.5.91, IPv6)
- DNS: Cloudflare DNS
- Email: no MX record returned
- Email security: SPF (hard fail)
- SSL: Google Trust Services, ECDSA P256, wildcard, expires Dec 2026
- Common Crawl link graph: rank 37,501,794
- Verified with: Google
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
- detected Google Ads Oct 2026
- detected Google Ads Conversion Tracking Oct 2026
- detected Google AdSense Oct 2026
- detected MailChimp Oct 2026
- dropped core-js Aug 2026
- dropped Facebook Pixel Aug 2026
- dropped Bootstrap Jul 2026
- dropped Cloudflare Bot Management Jul 2026
- dropped Cookiebot Jul 2026
- dropped DigitalOcean Spaces Jul 2026
- dropped Google Font API Jul 2026
- dropped Google Hosted Libraries Jul 2026
- dropped jQuery Jul 2026
- dropped jsDelivr Jul 2026
- dropped MailChimp Jul 2026
- detected Microsoft Clarity Jul 2026
- dropped YouTube Jul 2026
- detected Glide.js Jun 2026
- detected GSAP Jun 2026
- detected HSTS Jun 2026
- detected MySQL Jun 2026
- detected Open Graph Jun 2026
- detected PHP Jun 2026
- detected PWA Jun 2026
- detected WordPress Jun 2026
- detected Yoast SEO Jun 2026
- detected HTTP/3 Apr 2026