What powers henryfelske.de?
Last seen Oct 2026 · 15 technologies across 12 categories
Analytics
CDN
CMS
IaaS
JavaScript frameworks
JavaScript libraries
Miscellaneous
Programming languages
Security
Tag managers
Web frameworks
Webmail
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 found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Standards: llms.txt
Audience
Germany
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
1.13 / 10 · ranked #10,748,266 of all domains
4 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.4 s |
| INP | 100 ms |
| CLS | 0 |
| TTFB | 500 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: German
- CDN: Google
- Weight: 1.7 MB · 74 requests
- Structured data: JSON-LD, OpenGraph
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Hosted on Google Cloud (216.162.200.200)
- DNS: onepage.io
- Email: Microsoft 365
- Email security: SPF (hard fail), no DMARC record, CAA
- SSL: ZeroSSL, RSA 2048, expires Nov 2026
- Common Crawl link graph: rank 37,560,069, 2 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 Apache HTTP Server Mar 2026
- dropped Google Font API Mar 2026
- dropped GSAP Mar 2026
- dropped Isotope Mar 2026
- dropped jQuery Mar 2026
- dropped jQuery Migrate Mar 2026
- dropped Lightbox Mar 2026
- dropped MySQL Mar 2026
- dropped PHP Mar 2026
- dropped Twitter Emoji (Twemoji) Mar 2026
- dropped Wheelio Mar 2026
- dropped WordPress Mar 2026
- dropped YouTube Mar 2026