What powers 
columbia-theater.de?
Last seen Sep 2026 · 10 technologies across 10 categories
CMS
WordPress
since Jan 2019
Databases
MySQL
since Jan 2019
Hosting
IONOS
since Aug 2022
Hosting panels
Plesk
since Oct 2024
JavaScript frameworks
Miscellaneous
Open Graph
since Sep 2022
Performance
Priority Hints
since Oct 2024
Programming languages
Web servers
Nginx
since Oct 2024
Webmail
Apple iCloud Mail
since Sep 2025
AI Crawlers
Doesn't name any of the 33 AI crawlers we track in its robots.txt. Catch-all rules (User-agent: *) restrict some paths for every crawler, AI or not. Checked Sep 2026.
- robots.txt found
- llms.txt not checked
- ai.txt not checked
AI Crawlers
No AI crawlers blocked
Audience
- 80% phone
- 20% desktop
Germany
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.95 / 10 · ranked #610,485 of all domains
71 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.9 s |
| INP | 125 ms |
| CLS | 0 |
| TTFB | 400 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: German
- Weight: 1.5 MB · 133 requests
- WordPress theme: ct · all themes
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on ALWYZON Alwyzon, a trading name of Hohl IT e.U. (31.14.17.115, IPv6)
- DNS: IONOS
- Email: no MX record returned, SPF names IONOS
- Email security: SPF (soft fail), DMARC monitor only
- SSL: Let's Encrypt, RSA 2048, expires Dec 2026
- Common Crawl link graph: rank 3,043,931, 2 hosts
- Verified with: Apple Business
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted