What powers jazzkeller.com?
Last seen Jun 2026 · 16 technologies across 12 categories
CDN
Cloudflare
since Dec 2023
Ecommerce
Big Cartel
since Dec 2023
Font scripts
Google Font API
since Jan 2019
JavaScript frameworks
GSAP
since Jun 2024
JavaScript libraries
Marketing automation
MailChimp
since Jan 2019
Miscellaneous
Open Graph
since Sep 2022
RSS
since Dec 2023
Payment processors
Security
HSTS
since Dec 2023
UI frameworks
Animate.css
since Sep 2021
Bootstrap
since Sep 2021
Web servers
Apache HTTP Server
since Jan 2019
Nginx
since Sep 2024
Widgets
Elfsight
since May 2024
AI Crawlers
No robots.txt, so all AI crawlers are allowed by default. Checked Sep 2026.
- robots.txt not found
- llms.txt not found
- ai.txt not found
AI Crawlers
No robots.txt, all AI crawlers allowed
Audience
Germany
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.25 / 10 · ranked #1,194,278 of all domains
68 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.6 s |
| INP | 75 ms |
| CLS | 0.35 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Aug 2026.
Infrastructure
- Hosted on TWELVE99 Arelion, fka Telia Carrier (80.239.139.40)
- DNS: deltaphon.net
- Email: jazzkeller.com
- Email security: no SPF record, DMARC monitor only
- SSL: Let's Encrypt, RSA 2048, wildcard, expires Oct 2026
- Common Crawl link graph: rank 12,066,325, 7 hosts
- Verified with: Brevo, Google
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| jazzkeller.com | 8 |
| shop.jazzkeller.com | 7 |
| www.jazzkeller.com | 7 |
| bar.jazzkeller.com | 6 |
Full technology history →
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Recent changes
- dropped core-js Feb 2026
- dropped React Feb 2026
- dropped styled-components Feb 2026