What powers htcblumenau.de?
Last seen Oct 2026 · 31 technologies across 17 categories
CDN
CMS
Databases
Font scripts
Hosting
JavaScript frameworks
JavaScript graphics
JavaScript libraries
Miscellaneous
Page builders
Performance
Programming languages
Security
Video players
Web servers
Widgets
WordPress plugins
AI Crawlers
Doesn't mention any of the 33 AI crawlers we track in its robots.txt; all are allowed by default. Checked Oct 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
Germany
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
1.11 / 10 · ranked #11,004,353 of all domains
4 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 700 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: German (Germany)
- Weight: 20.5 MB · 168 requests
- WordPress theme: tennisclub (child: tennisclub-child) · all themes
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Oct 2026.
Organisation
- HTC Blumenau: Tennisclub Hamburg Schnelsen, Niendorf
From the homepage's own structured data (Oct 2026).
Infrastructure
- Hosted on IONOS (217.160.0.220, IPv6)
- DNS: IONOS
- Email: IONOS
- Email security: SPF (soft fail), no DMARC record
- SSL: Sectigo, RSA 2048, wildcard, expires Mar 2027
- Common Crawl link graph: rank 12,619,826, 4 hosts
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Full technology history →
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Recent changes
- dropped GTranslate Oct 2026
- detected HSTS Oct 2026
- dropped Animate.css Sep 2026
- detected Cloudflare Turnstile Sep 2026
- dropped Jetpack Sep 2026
- detected Polylang Sep 2026
- dropped LazySizes Aug 2026
- dropped NitroPack Aug 2026
- detected Animate.css Jul 2026
- detected Fluent Forms Jul 2026
- detected Font Awesome Jul 2026
- detected Jetpack Jul 2026
- dropped Animate.css Jun 2026
- dropped Bootstrap Jun 2026
- dropped Font Awesome Jun 2026
- dropped Isotope Jun 2026
- dropped Modernizr Jun 2026
- dropped OWL Carousel Jun 2026
- dropped prettyPhoto Jun 2026
- detected Cloudflare May 2026
- detected Cloudflare Bot Management May 2026
- detected Contact Form 7 May 2026
- detected Google Font API May 2026
- detected GTranslate May 2026
- detected LazySizes May 2026
- detected NitroPack May 2026
- detected Priority Hints May 2026
- detected Slider Revolution May 2026
- detected Twitter Emoji (Twemoji) May 2026