What powers 
retail-optimiser.de?
Last seen Sep 2026 · 25 technologies across 16 categories
Analytics
HubSpot Analytics
since Feb 2021
Matomo Analytics
since Jan 2021
CDN
Cloudflare
since Nov 2021
Google Hosted Libraries
since Feb 2022
CMS
Databases
MySQL
since Jan 2021
Font scripts
Google Font API
since Jan 2021
Hosting
Strato
since Aug 2022
JavaScript frameworks
React
since Jan 2021
JavaScript libraries
Marketing automation
HubSpot
since Jan 2021
Miscellaneous
Open Graph
since Sep 2022
RSS
since Dec 2022
Operating systems
UNIX
since Jan 2021
Performance
Priority Hints
since Sep 2023
Programming languages
Security
Cloudflare Bot Management
since Nov 2021
Web servers
WordPress plugins
WP Rocket
since May 2024
AI Crawlers
Doesn't mention any of the 33 AI crawlers we track in its robots.txt; all are allowed by default. Checked Oct 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 80% desktop
- 20% phone
Germany
South Africa
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.68 / 10 · ranked #773,105 of all domains
50 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.4 s |
| INP | 50 ms |
| CLS | 0.15 |
| TTFB | 1700 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: German (Germany)
- Weight: 18.8 MB · 83 requests
- WordPress theme: jannah · all themes
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Hosted on STRATO (81.169.145.79, IPv6)
- DNS: STRATO
- Email: STRATO
- Email security: no SPF record, no DMARC record
- SSL: Sectigo, RSA 2048, expires Apr 2027
- Common Crawl link graph: rank 1,062,506, 2 hosts
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Full technology history →
Report an incorrect detection
Recent changes
- dropped Cart Functionality May 2026
- detected Cart Functionality Feb 2026
- dropped SparkPost Jan 2026
- dropped Cart Functionality Dec 2025