What powers herausforderung.eu?
Last seen Sep 2026 · 32 technologies across 20 categories
Caching
CMS
Cookie compliance
Databases
Font scripts
Hosting
JavaScript frameworks
JavaScript libraries
Marketing automation
Miscellaneous
PaaS
Page builders
Programming languages
Security
Video players
Web servers
Webmail
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 Sep 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 65% phone
- 35% desktop
Germany
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.31 / 10 · ranked #1,116,558 of all domains
40 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.3 s |
| INP | 75 ms |
| CLS | 0.15 |
| TTFB | 600 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: German
- Weight: 3.9 MB · 165 requests
- WordPress theme: skycaptain · all themes
- Structured data: JSON-LD, Microdata, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
- Herausforderung
From the homepage's own structured data (Sep 2026).
Infrastructure
- Hosted on Combell (185.175.196.3, IPv6)
- DNS: GoDaddy DNS
- Email: Google Workspace
- Email security: SPF (soft fail), DMARC reject
- SSL: Let's Encrypt, RSA 4096, expires Dec 2026
- Common Crawl link graph: rank 8,568,357, 5 hosts
- Verified with: Apple Business, Atlassian, Google, Microsoft 365
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Full technology history →
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Recent changes
- dropped Animate.css Jan 2026
- detected Apple iCloud Mail Jan 2026
- dropped Google AdSense Jan 2026
- dropped Google Analytics Jan 2026
- dropped Google Tag Manager Jan 2026
- dropped Preact Jan 2026
- detected Twitter Emoji (Twemoji) Jan 2026
- detected Cookie Script Dec 2025
- detected Amazon SES Nov 2025
- detected Amazon Web Services Nov 2025