What powers walter-fenster.de?
Last seen Sep 2026 · 17 technologies across 13 categories
Advertising
Microsoft Advertising
since Dec 2024
Analytics
Google Analytics
since Aug 2022
Appointment scheduling
Calendly
since Nov 2022
Cookie compliance
Usercentrics
since Nov 2022
Hosting
Strato
since Aug 2022
JavaScript libraries
Miscellaneous
Open Graph
since Sep 2022
RSS
since Jan 2023
Operating systems
UNIX
since Aug 2022
Programming languages
UI frameworks
Pure CSS
since Aug 2022
Video players
Twitch Player
since Nov 2022
Web servers
Webmail
Microsoft 365
since Aug 2022
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
1.84 / 10 · ranked #4,142,363 of all domains
12 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.8 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 600 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: German
- Weight: 4.5 MB · 63 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on STRATO (81.169.145.64, IPv6)
- DNS: STRATO
- Email: Microsoft 365
- Email security: SPF (hard fail), DMARC reject
- SSL: Sectigo, RSA 2048, expires Oct 2026
- Common Crawl link graph: rank 38,388,305, 2 hosts
- Verified with: Microsoft 365
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted