What powers cdctandzorg.nl?
Last seen Sep 2026 · 36 technologies across 20 categories
Advertising
Analytics
CDN
CMS
Cookie compliance
Databases
Font scripts
JavaScript frameworks
JavaScript libraries
Miscellaneous
PaaS
Programming languages
Reviews
Security
Tag managers
UI frameworks
Webmail
Widgets
WordPress plugins
AI Crawlers
Does not block any of the 33 AI crawlers we track in its robots.txt. Checked Sep 2026.
Training crawlers
- ClaudeBot Allowed
- GPTBot Allowed
Search and AI assistants
- Claude-SearchBot Allowed
- OAI-SearchBot Allowed
- PerplexityBot Allowed
User-request fetchers
- ChatGPT-User Allowed
- Perplexity-User Allowed
The other 26 AI crawlers we track are not mentioned and only inherit the catch-all rules that apply to every crawler.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 82% phone
- 18% desktop
Netherlands
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.33 / 10 · ranked #1,094,315 of all domains
30 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.4 s |
| INP | 100 ms |
| CLS | 0 |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: Dutch (Netherlands)
- CDN: Cloudflare
- Weight: 8.5 MB · 160 requests
- WordPress theme: bb-theme (child: bb-theme-child) · all themes
- Structured data: JSON-LD, Microdata, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
- CDC Tandzorg
From the homepage's own structured data (Sep 2026).
Infrastructure
- Hosted on Cloudflare (162.159.136.54)
- DNS: Azure DNS
- Email: Microsoft 365
- Email security: SPF (hard fail), DMARC quarantine
- SSL: Google Trust Services, ECDSA P256, expires Oct 2026
- Common Crawl link graph: rank 14,330,195, 2 hosts
- Verified with: Google, Microsoft 365
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| cdctandzorg.nl | 34 |
| www.cdctandzorg.nl | 7 |
Full technology history →
Report an incorrect detection
Recent changes
- detected Mailjet Jul 2026
- dropped Cloudways Feb 2026
- detected Microsoft Clarity Feb 2026
- detected Trustindex Feb 2026
- detected VWO Feb 2026
- dropped ActiveCampaign Dec 2025
- dropped Apache HTTP Server Dec 2025
- dropped cdnjs Dec 2025
- detected Cloudways Dec 2025
- dropped Element UI Dec 2025
- dropped Facebook Login Dec 2025
- dropped Font Awesome Dec 2025
- dropped Phoenix Site Dec 2025
- dropped Priority Hints Dec 2025
- dropped reCAPTCHA Dec 2025
- detected Twitter Emoji (Twemoji) Dec 2025
- dropped Unpkg Dec 2025
- dropped Vue.js Dec 2025
- dropped Webpack Dec 2025