What powers holocaustliteratur.de?
Last seen Sep 2026 · 9 technologies across 8 categories
Analytics
Font scripts
Hosting
JavaScript libraries
Miscellaneous
Operating systems
Programming languages
Web servers
AI Crawlers
Blocks 11 of 33 AI crawlers we track by name in its robots.txt. Checked Sep 2026.
Training crawlers
- ClaudeBot Blocked
- Google-Extended Blocked
- GPTBot Blocked
- meta-externalagent Blocked
Search and AI assistants
- Amazonbot Blocked
- Claude-SearchBot Blocked
- OAI-SearchBot Blocked
- PerplexityBot Blocked
User-request fetchers
- ChatGPT-User Blocked
- Claude-User Blocked
- Perplexity-User Blocked
The other 22 AI crawlers we track are not mentioned and only inherit the catch-all rules that apply to every crawler.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
11 of 33 AI crawlers blocked
Audience
Germany
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.37 / 10 · ranked #1,042,138 of all domains
40 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.5 s |
| INP | 75 ms |
| CLS | 0.05 |
| TTFB | 1000 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: German
- Weight: 2.7 MB · 47 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on STRATO (81.169.145.90, IPv6)
- Email: STRATO
- Email security: SPF, DMARC reject
- SSL: Sectigo, RSA 2048, expires Feb 2027
- Common Crawl link graph: rank 1,210,540, 2 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted