What powers usability.de?
Last seen Aug 2026 · 16 technologies across 10 categories
Analytics
Google Analytics
since Jan 2019
Hotjar
since Mar 2025
Hosting
GoDaddy
since Aug 2022
JavaScript libraries
Miscellaneous
Open Graph
since Sep 2022
PWA
since Dec 2025
Programming languages
PHP
since Jan 2019
Tag managers
Google Tag Manager
since Apr 2023
Video players
VideoJS
since Apr 2022
Web frameworks
CodeIgniter
since Sep 2021
Web servers
Nginx
since Apr 2023
Webmail
Apple iCloud Mail
since Jan 2025
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
4.74 / 10 · ranked #284,610 of all domains
117 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.7 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: German
- Weight: 1.8 MB · 63 requests
- Structured data: JSON-LD, OpenGraph
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
- usability.de GmbH & Co. KG
- Industry: Professional services (declares
ProfessionalService) - Profiles: LinkedIn, Instagram, YouTube
From the homepage's own structured data (Sep 2026).
Infrastructure
- Hosted on GODADDY-CGN (92.205.192.3, IPv6)
- DNS: GoDaddy DNS
- Email: Microsoft 365
- Email security: SPF (hard fail), DMARC quarantine
- SSL: GoDaddy, RSA 2048, expires Oct 2026
- Common Crawl link graph: rank 1,928,330, 4 hosts
- Verified with: Apple Business, Brevo, Google
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Full technology history →
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