What powers isy.de?
Last seen Jun 2026 · 16 technologies across 13 categories
Appointment scheduling
Calendly
since Jul 2022
CDN
Google Cloud CDN
since Apr 2026
Cookie compliance
Usercentrics
since Sep 2021
Hosting
Mittwald
since Aug 2022
IaaS
Google Cloud
since Apr 2026
JavaScript libraries
Miscellaneous
HTTP/3
since Apr 2026
Open Graph
since Sep 2022
Tag managers
Google Tag Manager
since Nov 2019
UI frameworks
Animate.css
since Nov 2022
Tailwind CSS
since Apr 2022
Video players
Twitch Player
since Feb 2022
YouTube
since Oct 2021
Web servers
Nginx
since Sep 2021
Webmail
Microsoft 365
since Aug 2022
Widgets
Wheelio
since Sep 2021
Audience
- 72% phone
- 15% tablet
- 13% desktop
Germany
Belgium
France
Netherlands
Austria
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
4.69 / 10 · ranked #341,632 of all domains
88 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.9 s |
| INP | 75 ms |
| CLS | 0.1 |
| TTFB | 1000 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: German (Germany)
- CDN: Google
- Weight: 10.3 MB · 160 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| www.isy.de | 12 |
| isy.de | 6 |
Full technology history →
Report an incorrect detection
Recent changes
- dropped HSTS May 2026
- dropped Microsoft Advertising May 2026
- detected Google Cloud Apr 2026
- detected Google Cloud CDN Apr 2026
- detected HTTP/3 Apr 2026
- dropped lit-html Oct 2025