What powers sbk-koeln.de?
Last seen Aug 2026 · 11 technologies across 10 categories
CMS
Databases
MySQL
since Jan 2019
JavaScript frameworks
JavaScript libraries
Programming languages
PHP
since Jan 2019
Security
HSTS
since Sep 2022
UI frameworks
Bootstrap
since Jan 2019
Web servers
Apache HTTP Server
since Jan 2019
Webmail
Apple iCloud Mail
since Feb 2025
WordPress plugins
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
- 88% phone
- 12% desktop
Germany
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.84 / 10 · ranked #696,545 of all domains
50 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.1 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 700 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: German
- Weight: 3.6 MB · 67 requests
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on NETCOLOGNE (213.160.92.3, IPv6)
- DNS: netcologne.de
- Email: netcologne.de
- Email security: SPF (soft fail), DMARC quarantine
- SSL: Let's Encrypt, RSA 2048, expires Nov 2026
- Common Crawl link graph: rank 10,882,053, 2 hosts
- Verified with: Apple Business, Microsoft 365, SwissSign
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted