What powers dsaforum.de?
Last seen Oct 2026 · 10 technologies across 8 categories
CDN
Font scripts
JavaScript libraries
Message boards
Miscellaneous
Programming languages
Security
Web servers
AI Crawlers
Blocks all crawlers by default in robots.txt (User-agent: *). Checked Oct 2026.
Training crawlers
- AI2Bot Blocked
- Applebot-Extended Blocked
- Bytespider Blocked
- CCBot Blocked
- ClaudeBot Blocked
- cohere-training-data-crawler Blocked
- Diffbot Blocked
- FacebookBot Blocked
- Google-CloudVertexBot Blocked
- Google-Extended Blocked
- GoogleOther Blocked
- GPTBot Blocked
- ImagesiftBot Blocked
- img2dataset Blocked
- meta-externalagent Blocked
- PanguBot Blocked
- SBIntuitionsBot Blocked
- Webzio-Extended Blocked
Search and AI assistants
- Amazonbot Blocked
- Applebot Blocked
- Claude-SearchBot Blocked
- DuckAssistBot Blocked
- OAI-SearchBot Blocked
- PerplexityBot Blocked
- PetalBot Blocked
- YouBot Blocked
User-request fetchers
- ChatGPT-User Blocked
- Claude-User Blocked
- GoogleAgent-Mariner Blocked
- meta-externalfetcher Blocked
- MistralAI-User Blocked
- Perplexity-User Blocked
The other 1 AI crawler we track is not mentioned and is blocked by the catch-all rule (User-agent: *).
- robots.txt found
- llms.txt not checked
- ai.txt not checked
AI Crawlers
All crawlers blocked
Audience
- 74% phone
- 26% desktop
Germany
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
2.78 / 10 · ranked #2,019,715 of all domains
16 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.7 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 500 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: German
- Weight: 0.4 MB · 75 requests
- Structured data: Microdata
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Hosted on Cloudflare (104.21.49.175, IPv6)
- DNS: Cloudflare DNS
- Email: Infomaniak
- Email security: SPF (neutral), no DMARC record
- SSL: Let's Encrypt, RSA 4096, expires Nov 2026
- Common Crawl link graph: rank 4,396,159, 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 Infomaniak Oct 2026