What powers petersorgenfrei.com?
Last seen Sep 2026 · 30 technologies across 15 categories
Analytics
Facebook Pixel
since Apr 2023
Google Analytics
since Apr 2023
CDN
Amazon S3
since May 2025
cdnjs
since Apr 2023
Cloudflare
since Apr 2023
Google Hosted Libraries
since Apr 2023
jsDelivr
since Apr 2023
Font scripts
Google Font API
since Apr 2023
Hosting
GoDaddy
since Apr 2023
JavaScript frameworks
Emotion
since Mar 2024
JavaScript libraries
Marketing automation
Miscellaneous
PaaS
Amazon Web Services
since May 2025
Page builders
Webflow
since Apr 2023
Security
Tag managers
Google Tag Manager
since Apr 2023
Web frameworks
Ionic
since Jul 2026
Webmail
Google Workspace
since Apr 2023
Widgets
Elfsight
since May 2025
AI Crawlers
Does not block any of the 33 AI crawlers we track in its robots.txt. Checked Oct 2026.
Training crawlers
- ClaudeBot Allowed
- Google-Extended Allowed
- GPTBot Allowed
Search and AI assistants
- OAI-SearchBot Allowed
- PerplexityBot Allowed
User-request fetchers
- ChatGPT-User Allowed
- MistralAI-User Allowed
The other 26 AI crawlers we track are not mentioned and stay allowed by default.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Open Page Rank
0.61 / 10 · ranked #21,870,234 of all domains
4 referring domains · OpenPageRank
Page
- Language: English
- CDN: Cloudflare
- Weight: 1.9 MB · 110 requests
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Oct 2026.
Organisation
- Sorgenfrei ApS
- Industry: Blogs and publishing (declares
Book)
From the homepage's own structured data (Oct 2026).
Infrastructure
- Hosted on Cloudflare (198.202.211.1)
- DNS: GoDaddy DNS
- Email: Google Workspace
- Email security: no SPF record, DMARC monitor only
- SSL: Google Trust Services, ECDSA P256, expires Jan 2027
- Common Crawl link graph: rank 45,530,543, 5 hosts
- Verified with: Google
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| www.petersorgenfrei.com | 27 |
| circle.petersorgenfrei.com | 7 |