What powers herwig-blankertz-schule.de?
Last seen Sep 2026 · 17 technologies across 11 categories
CMS
Databases
Hosting
JavaScript libraries
Miscellaneous
Page builders
Performance
Programming languages
Web servers
WordPress plugins
WordPress themes
AI Crawlers
Blocks all crawlers by default in robots.txt (User-agent: *). Checked Sep 2026.
Training crawlers
- AI2Bot Blocked
- Applebot-Extended Blocked
- Bytespider 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
- CCBot Restricted
Search and AI assistants
- Amazonbot Blocked
- PerplexityBot Blocked
- PetalBot Blocked
- YouBot Blocked
- Applebot Restricted
- Claude-SearchBot Restricted
- DuckAssistBot Restricted
- Kagibot Restricted
- OAI-SearchBot Restricted
User-request fetchers
- GoogleAgent-Mariner Blocked
- meta-externalfetcher Blocked
- Perplexity-User Blocked
- ChatGPT-User Restricted
- Claude-User Restricted
- MistralAI-User Restricted
- robots.txt found
- llms.txt not checked
- ai.txt not checked
AI Crawlers
All crawlers blocked
Audience
- 100% phone
Germany
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
2.49 / 10 · ranked #2,509,964 of all domains
15 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.9 s |
| CLS | 0 |
| TTFB | 500 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: German
- Weight: 0.7 MB · 25 requests
- WordPress theme: generatepress (child: skriptateliertheme) · all themes
- Structured data: JSON-LD, Microdata, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
- Vorlage (Herwig Blankertz School on Wikidata)
- Country: Germany
From the homepage's own structured data (Sep 2026) and Wikidata (CC0).
Infrastructure
- Hosted on PIXELX-AS (81.209.248.248)
- Email: ALL-INKL
- Email security: no SPF record, no DMARC record
- SSL: Let's Encrypt, RSA 4096, expires Nov 2026
- Common Crawl link graph: rank 10,411,916, 2 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Full technology history →
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Recent changes
- dropped Google Font API Jan 2026
- dropped Animate.css Dec 2025
- dropped Bootstrap Dec 2025
- dropped Font Awesome Dec 2025
- dropped HSTS Dec 2025
- dropped Joomla Dec 2025
- dropped jQuery UI Dec 2025
- dropped MooTools Dec 2025
- dropped SWFObject Dec 2025
- detected Complianz Nov 2025
- detected GenerateBlocks Nov 2025
- detected GeneratePress Nov 2025
- detected GeneratePress GP Premium Nov 2025
- detected MySQL Nov 2025
- detected Open Graph Nov 2025
- detected Priority Hints Nov 2025
- detected RankMath SEO Nov 2025
- detected WordPress Nov 2025
- detected WordPress Block Editor Nov 2025
- detected WP Rocket Nov 2025