What powers 
zomerweek.nl?
Last seen Sep 2026 · 12 technologies across 11 categories
Analytics
Google Analytics
since Feb 2024
CDN
Cloudflare
since Oct 2024
JavaScript frameworks
Svelte
since Mar 2024
JavaScript libraries
Miscellaneous
Page builders
Webflow
since Feb 2024
Security
HSTS
since Aug 2024
Tag managers
Google Tag Manager
since Feb 2024
Video players
YouTube
since Jun 2025
Webmail
Google Workspace
since Feb 2024
Widgets
Elfsight
since Feb 2024
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
3.51 / 10 · ranked #883,463 of all domains
25 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.2 s |
| INP | 100 ms |
| CLS | 0 |
| TTFB | 700 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: English
- CDN: Cloudflare
- Weight: 29.1 MB · 100 requests
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on Akamai (23.34.59.17, IPv6)
- DNS: Akamai Edge DNS
- Email: Google Workspace
- Email security: SPF (hard fail), DMARC reject
- SSL: Google Trust Services, ECDSA P256, expires Nov 2026
- Common Crawl link graph: rank 14,232,733, 3 hosts
- Verified with: Atlassian, Google
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted