What powers ratzer.at?
Last seen Aug 2026 · 9 technologies across 8 categories
Affiliate programs
Amazon Associates
since Dec 2025
Analytics
Matomo Analytics
since Jun 2023
JavaScript frameworks
Stimulus
since Apr 2021
Miscellaneous
Open Graph
since Sep 2022
Programming languages
Ruby
since Apr 2020
Security
HSTS
since Sep 2022
Web frameworks
Ruby on Rails
since Apr 2020
Web servers
Nginx
since Apr 2020
Phusion Passenger
since Apr 2020
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
Open Page Rank
2.96 / 10 · ranked #1,660,396 of all domains
29 referring domains · OpenPageRank
Infrastructure
- Hosted on CONOVA-AS ASN conova communications GmbH (217.196.159.170)
- DNS: factor4.network
- Email: factor4.at
- Email security: no SPF record, no DMARC record
- SSL: Let's Encrypt, ECDSA P256, expires Dec 2026
- Common Crawl link graph: rank 3,982,517, 2 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Full technology history →
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Recent changes
- detected Amazon Associates Dec 2025