What powers vaccicheck.nl?
Last seen Oct 2026 · 23 technologies across 14 categories
Analytics
Caching
CMS
Databases
Font scripts
JavaScript libraries
Live chat
Miscellaneous
Performance
Programming languages
Tag managers
Web servers
Webmail
WordPress plugins
AI Crawlers
Restricts 10 of 33 AI crawlers we track by name in its robots.txt. Checked Oct 2026.
Training crawlers
- Bytespider Restricted
- CCBot Restricted
- ClaudeBot Restricted
- FacebookBot Restricted
- GPTBot Restricted
- meta-externalagent Restricted
Search and AI assistants
- Amazonbot Restricted
- Applebot Restricted
- PetalBot Restricted
User-request fetchers
- ChatGPT-User Restricted
The other 23 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
10 of 33 AI crawlers restricted
Audience
Netherlands
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
2.96 / 10 · ranked #1,656,338 of all domains
11 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1 s |
| INP | 100 ms |
| CLS | 0 |
| TTFB | 600 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: Dutch (Netherlands)
- Weight: 3.3 MB · 40 requests
- WordPress theme: flatsome (child: vaccicheck) · all themes
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Hosted on HOASTED (45.152.250.10, IPv6)
- DNS: hoasted.nl
- Email: Microsoft 365
- Email security: SPF (soft fail), DMARC monitor only, DNSSEC signed
- SSL: Let's Encrypt, ECDSA P256, expires Dec 2026
- Common Crawl link graph: rank 6,907,224, 2 hosts
- Verified with: Microsoft 365
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| vaccicheck.nl | 16 |
| www.vaccicheck.nl | 12 |
Full technology history →
Report an incorrect detection