What powers 
sjakoo.nl?
Last seen Aug 2026 · 26 technologies across 14 categories
Caching
CMS
Cookie compliance
Databases
Font scripts
JavaScript libraries
Miscellaneous
Page builders
Performance
Programming languages
Security
Web servers
WordPress plugins
WordPress themes
AI Crawlers
Blocks 4 of 33 AI crawlers we track by name in its robots.txt. Checked Sep 2026.
Training crawlers
- Bytespider Blocked
- ClaudeBot Blocked
- GPTBot Blocked
- meta-externalagent Blocked
The other 29 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
4 of 33 AI crawlers blocked
Audience
- 76% phone
- 24% desktop
Netherlands
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.94 / 10 · ranked #620,959 of all domains
58 referring domains · OpenPageRank
Core Web Vitals
| LCP | 3.8 s |
| CLS | 0 |
| TTFB | 4000 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Dutch (Netherlands)
- Weight: 0.8 MB · 64 requests
- WordPress theme: astra (child: astra-child) · all themes
- Structured data: JSON-LD, Microdata, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
- Het Fort van Sjakoo
From the homepage's own structured data (Sep 2026).
Infrastructure
- Hosted on HIGH5- (46.23.85.35)
- DNS: tuxic.nl
- Email: tuxic.nl
- Email security: SPF (hard fail), no DMARC record, DNSSEC signed, CAA
- SSL: Let's Encrypt, RSA 4096, expires Oct 2026
- Common Crawl link graph: rank 11,058,439, 2 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Full technology history →
Report an incorrect detection
Recent changes
- detected Twitter Emoji (Twemoji) Jan 2026