What powers 
tanzen.de?
Last seen Oct 2026 · 21 technologies across 12 categories
Advertising
Microsoft Advertising
since Dec 2024
Appointment scheduling
Calendly
since Aug 2022
Cookie compliance
Usercentrics
since Aug 2022
Font scripts
Google Font API
since Jan 2019
Hosting
IONOS
since Aug 2022
JavaScript libraries
Highlight.js
since Jan 2019
Isotope
since Aug 2022
jQuery Migrate
since Jan 2019
PhotoSwipe
since Sep 2022
Select2
since Jan 2019
Swiper
since Sep 2022
Miscellaneous
Swiper Slider
since Mar 2020
Programming languages
PHP
since Jan 2019
UI frameworks
Video players
Twitch Player
since Aug 2022
Web servers
Apache HTTP Server
since Jan 2019
Webmail
Microsoft 365
since Aug 2022
AI Crawlers
Doesn't mention any of the 33 AI crawlers we track in its robots.txt; all are allowed by default. Checked Nov 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
Germany
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
4.00 / 10 · ranked #565,625 of all domains
41 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.8 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 400 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: German
- Weight: 10.3 MB · 52 requests
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Hosted on IONOS (217.160.0.231)
- DNS: IONOS
- Email: Microsoft 365
- Email security: SPF (soft fail), DMARC monitor only
- SSL: Sectigo, RSA 2048, wildcard, expires Jan 2027
- Common Crawl link graph: rank 873,442, 4 hosts
DNS records as swept Nov 2026, certificate as seen Nov 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| tanzen.de | 19 |
| www.tanzen.de | 18 |
| radio.tanzen.de | 11 |
Full technology history →
Report an incorrect detection
Recent changes
- dropped Cloudflare Jul 2026
- dropped Cloudflare Bot Management Jul 2026
- detected Cloudflare May 2026
- detected Cloudflare Bot Management May 2026