What powers octer.de?
Last seen Oct 2026 · 14 technologies across 9 categories
Affiliate programs
Analytics
CDN
Hosting
JavaScript frameworks
Miscellaneous
Performance
Programming languages
Web servers
AI Crawlers
Blocks 13 of 33 AI crawlers we track by name in its robots.txt. Checked Oct 2026.
Training crawlers
- Applebot-Extended Blocked
- Bytespider Blocked
- CCBot Blocked
- ClaudeBot Blocked
- cohere-training-data-crawler Blocked
- Diffbot Blocked
- Google-CloudVertexBot Blocked
- Google-Extended Blocked
- GoogleOther Blocked
- GPTBot Blocked
- meta-externalagent Blocked
Search and AI assistants
- Amazonbot Blocked
- PetalBot Blocked
The other 20 AI crawlers we track are not mentioned and stay allowed by default.
- robots.txt found
- llms.txt not found
- ai.txt not found
Content Signals:
search=yes ai-train=no declared in robots.txt
- Oct 2026 ccbot added to robots.txt
- Oct 2026 claude-web added to robots.txt
- Oct 2026 claudebot added to robots.txt
- Oct 2026 bytespider added to robots.txt
- Oct 2026 Content Signals changed
- Oct 2026 amazonbot added to robots.txt
AI Crawlers
13 of 33 AI crawlers blocked
Standards: Content Signals
Audience
Germany
Where the site's Chrome visitors come from, largest estimated audience first.
Core Web Vitals
| LCP | 1.8 s |
| CLS | 0 |
| TTFB | 800 ms |
Real user p75, Chrome UX Report, Oct 2026.
Page
- Language: English
- CDN: Cloudflare, Google
- Weight: 0.9 MB · 39 requests
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Oct 2026.
Organisation
From the homepage's own structured data (Oct 2026).
Infrastructure
- Hosted on Cloudflare (104.21.60.224, IPv6)
- DNS: Cloudflare DNS
- Email: IONOS
- Email security: SPF (soft fail), no DMARC record
- SSL: Let's Encrypt, ECDSA P256, wildcard, expires Jan 2027
- Verified with: Google
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Full technology history →
Report an incorrect detection
Recent changes
- dropped Apollo Oct 2026
- detected Cloudflare Oct 2026
- detected Cloudflare Browser Insights Oct 2026
- dropped Express Oct 2026
- dropped Google Analytics Oct 2026
- dropped GraphQL Oct 2026
- detected HTTP/3 Oct 2026
- dropped ImageKit Oct 2026
- dropped Loadable-Components Oct 2026
- dropped TypeScript Oct 2026
- detected Next.js Sep 2026
- detected Next.js App Router Sep 2026
- detected Open Graph Sep 2026
- detected Partnerize Sep 2026
- detected Priority Hints Sep 2026
- detected React Sep 2026
- detected Webpack Sep 2026