What powers jankortie.nl?
Last seen Sep 2026 · 22 technologies across 14 categories
Caching
CMS
Databases
JavaScript libraries
Miscellaneous
Operating systems
Performance
Programming languages
Security
Video players
Web frameworks
Web servers
Webmail
WordPress plugins
AI Crawlers
Doesn't name any of the 33 AI crawlers we track in its robots.txt. Catch-all rules (User-agent: *) restrict some paths for every crawler, AI or not. Checked Sep 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
Netherlands
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
2.86 / 10 · ranked #1,855,215 of all domains
14 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 500 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Dutch (Netherlands)
- Weight: 1.7 MB · 92 requests
- WordPress theme: generatepress · all themes
- Structured data: JSON-LD, Microdata, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
- Jan Kortie
From the homepage's own structured data (Sep 2026).
Infrastructure
- Hosted on DUOCAST-AS (45.82.191.184)
- Email: no MX record returned, SPF names Microsoft 365
- Email security: SPF (hard fail), DMARC monitor only
- Common Crawl link graph: rank 30,596,299, 2 hosts
DNS records as swept Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| jankortie.nl | 18 |
| www.jankortie.nl | 5 |
Full technology history →
Report an incorrect detection
Recent changes
- dropped cdnjs Jun 2026
- dropped Cloudflare Jun 2026
- dropped Font Awesome Jun 2026
- dropped GeneratePress Jun 2026
- dropped Osano Jun 2026
- dropped Twitter Emoji (Twemoji) Jun 2026
- detected cdnjs Apr 2026
- detected Cloudflare Apr 2026
- detected Font Awesome Apr 2026
- detected GeneratePress Apr 2026
- detected Osano Apr 2026
- detected Twitter Emoji (Twemoji) Apr 2026
- dropped Plesk Mar 2026