What powers kopernikus.de?
Last seen Sep 2026 · 25 technologies across 16 categories
Analytics
CDN
CMS
Databases
JavaScript frameworks
JavaScript libraries
Miscellaneous
Mobile frameworks
Operating systems
Page builders
Performance
Programming languages
UI frameworks
Web servers
Widgets
WordPress plugins
AI Crawlers
Doesn't mention any of the 33 AI crawlers we track in its robots.txt; all are allowed by default. Checked Sep 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 100% phone
Germany
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
2.83 / 10 · ranked #1,906,761 of all domains
11 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.5 s |
| INP | 100 ms |
| CLS | 0 |
| TTFB | 1400 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: German
- Weight: 22.9 MB · 63 requests
- WordPress theme: avada · all themes
- Structured data: JSON-LD, Microdata, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
- Kopernikus-Gymnasium Bargteheide
- Founded: 1972
- Industry: Arts and entertainment (declares
Event) - Country: Germany
From the homepage's own structured data (Sep 2026) and Wikidata (CC0).
Infrastructure
- Hosted on Hetzner (91.99.122.32)
- DNS: udag.de
- Email: Hetzner
- Email security: SPF (soft fail), DMARC quarantine
- SSL: Let's Encrypt, ECDSA P256, expires Oct 2026
- Common Crawl link graph: rank 8,666,382, 2 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| kopernikus.de | 25 |
| www.kopernikus.de | 1 |
Full technology history →
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Recent changes
- dropped Debian Jan 2026
- dropped Google Font API Jan 2026
- dropped Google Maps Jan 2026
- dropped lit-element Jan 2026
- dropped lit-html Jan 2026
- dropped Twitter Emoji (Twemoji) Jan 2026
- detected Priority Hints Dec 2025
- detected Ubuntu Dec 2025
- detected Unpkg Dec 2025