What powers 
kielerleben.de?
Last seen Oct 2026 · 19 technologies across 13 categories
Advertising
Google Publisher Tag
since May 2021
Authentication
Facebook Login
since Jul 2021
Caching
CDN
jQuery CDN
since Oct 2023
CMS
Drupal
since Jan 2019
JavaScript libraries
Miscellaneous
Open Graph
since Sep 2022
RSS
since Dec 2022
Operating systems
Ubuntu
since Oct 2023
Programming languages
PHP
since Jan 2019
Tag managers
Google Tag Manager
since Jan 2019
UI frameworks
Web servers
Webmail
Google Workspace
since Aug 2022
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 Nov 2026.
- robots.txt found
- llms.txt not checked
- ai.txt not checked
AI Crawlers
No AI crawlers blocked
Audience
- 83% phone
- 11% desktop
- 6% tablet
Germany
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
4.00 / 10 · ranked #568,996 of all domains
76 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.1 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 500 ms |
Real user p75, Chrome UX Report, Oct 2026.
Page
- Language: German
- Weight: 4.6 MB · 133 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Hosted on Hetzner (49.13.5.211, IPv6)
- DNS: udag.de
- Email: Google Workspace
- Email security: SPF (soft fail), DMARC monitor only
- SSL: Certum, RSA 4096, expires Dec 2026
- Common Crawl link graph: rank 665,083, 3 hosts
- Verified with: Amazon SES, Google
DNS records as swept Nov 2026, certificate as seen Nov 2026. How the web is hosted