What powers 
zitadelle-mainz.de?
Last seen Oct 2026 · 13 technologies across 9 categories
CMS
Databases
MySQL
since May 2020
Hosting
Mittwald
since Aug 2022
JavaScript libraries
Miscellaneous
Popper
since Jul 2022
Programming languages
PHP
since May 2020
UI frameworks
UIKit
since Sep 2021
Video players
YouTube
since Sep 2021
Web servers
Apache HTTP Server
since May 2020
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 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
3.47 / 10 · ranked #926,849 of all domains
47 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.1 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 1500 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: German
- Weight: 3.4 MB · 55 requests
- WordPress theme: yootheme (child: yootheme-unitize) · all themes
Homepage as crawled by the HTTP Archive, Oct 2026.
Organisation
- Association Initiative of Mainz Citadel
- Founded: 2004
- Sector: tourism
- Country: Germany
From Wikidata (CC0).
Infrastructure
- Hosted on MITTWALD-AS Mittwald CM Service GmbH und Co. KG (153.92.199.50)
- DNS: agenturserver.co
- Email: agenturserver.de
- Email security: SPF (soft fail), no DMARC record
- SSL: DigiCert, RSA 3072, expires Mar 2027
- Common Crawl link graph: rank 1,305,804, 2 hosts
- Verified with: Google
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted