What powers 
otto.at?
Last seen Aug 2026 · 41 technologies across 22 categories
Analytics
Google Analytics
since Feb 2019
Linkedin Insight Tag
since Feb 2021
Microsoft Clarity
since Nov 2025
Caching
Redis Object Cache
since Jun 2025
WP Rocket
since Jun 2025
CDN
Cloudflare
since Dec 2024
CMS
Kentico CMS
since Aug 2020
WordPress
since Jun 2021
Cookie compliance
Databases
Font scripts
Font Awesome
since Oct 2024
Google Font API
since Jun 2021
JavaScript frameworks
GSAP
since Oct 2024
JavaScript libraries
Maps
Google Maps
since Feb 2019
Miscellaneous
Open Graph
since Sep 2022
Webpack
since Feb 2019
Operating systems
Windows Server
since Jan 2019
PaaS
Azure
since Mar 2023
Performance
Priority Hints
since Oct 2024
Programming languages
PHP
since Jun 2021
Security
SEO
Tag managers
Google Tag Manager
since Feb 2019
Video players
Plyr
since May 2026
Web frameworks
Microsoft ASP.NET
since Jan 2019
Web servers
Apache HTTP Server
since Jun 2021
WordPress plugins
AI Crawlers
Doesn't mention any of the 33 AI crawlers we track in its robots.txt; all are allowed by default. Checked Sep 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 69% phone
- 28% desktop
- 3% tablet
Austria
Germany
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.91 / 10 · ranked #641,197 of all domains
54 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.9 s |
| INP | 150 ms |
| CLS | 0 |
| TTFB | 1100 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: German
- Weight: 14.9 MB · 125 requests
- WordPress theme: otto · all themes
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on NESSUS (146.255.58.39)
- DNS: it-knowledge.at
- Email: itkn.at
- Email security: SPF (hard fail), DMARC reject
- SSL: Let's Encrypt, RSA 2048, expires Oct 2026
- Common Crawl link graph: rank 1,076,901, 7 hosts
- Verified with: Google, Microsoft 365
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| www.otto.at | 30 |
| otto.at | 28 |
| prod.otto.at | 28 |
| epaper.otto.at | 16 |
| luxury.otto.at | 16 |
Full technology history →
Report an incorrect detection
Recent changes
- detected Plyr May 2026
- detected Priority Hints May 2026
- dropped Priority Hints Mar 2026
- detected Microsoft Clarity Nov 2025
- detected Priority Hints Oct 2025