What powers jc-duesseldorf.de?
Last seen Sep 2026 · 41 technologies across 20 categories
Analytics
CDN
Cloudflare
since Nov 2021
Sucuri
since Nov 2025
CMS
Databases
MySQL
since Jul 2023
Ecommerce
Cart Functionality
since Jul 2023
Editors
Microsoft Word
since Jul 2021
Font scripts
Hosting
GoDaddy
since Aug 2022
JavaScript frameworks
JavaScript libraries
OWL Carousel
since Jul 2020
Swiper
since Jul 2023
Maps
Google Maps
since Jul 2023
Miscellaneous
Performance
Priority Hints
since Dec 2023
Programming languages
PHP
since Jul 2020
Security
Cloudflare Bot Management
since Nov 2021
reCAPTCHA
since Jul 2020
UI frameworks
Bootstrap
since Jul 2020
Material Design Lite
since Jul 2023
Video players
Plyr
since Jul 2023
Web servers
Nginx
since Mar 2022
WordPress plugins
Smash Balloon Instagram Feed
since Jul 2023
WordPress themes
AI Crawlers
No robots.txt, so all AI crawlers are allowed by default. Checked Sep 2026.
- robots.txt not found
- llms.txt not found
- ai.txt not found
AI Crawlers
No robots.txt, all AI crawlers allowed
Audience
Germany
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
1.85 / 10 · ranked #4,083,894 of all domains
11 referring domains · OpenPageRank
Core Web Vitals
| LCP | 3.3 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 2800 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: Japanese
- CDN: Sucuri Firewall
- Weight: 3.4 MB · 134 requests
- WordPress theme: hello-elementor (child: hello-elementor-child) · all themes
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
- デュッセルドルフ日本クラブ
From the homepage's own structured data (Sep 2026).
Infrastructure
- Hosted on GoDaddy (92.205.50.42, IPv6)
- Email: ispgateway.de
- Email security: SPF (soft fail), no DMARC record
- SSL: GoDaddy, RSA 2048, expires Nov 2026
- Common Crawl link graph: rank 8,526,366, 3 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| www.jc-duesseldorf.de | 36 |
| jc-duesseldorf.de | 26 |
Full technology history →
Report an incorrect detection
Recent changes
- detected Priority Hints Aug 2026
- dropped Priority Hints Feb 2026
- dropped Really Simple SSL & Security Feb 2026
- dropped Cookie Notice Jan 2026
- detected Twitter Emoji (Twemoji) Dec 2025