What powers schiffer.tech?
Last seen Aug 2026 · 10 technologies across 6 categories
JavaScript graphics
particles.js
since Sep 2020
JavaScript libraries
Miscellaneous
Google Code Prettify
since Sep 2020
Popper
since Apr 2022
UI frameworks
Web servers
Apache HTTP Server
since Sep 2023
Webmail
Proton Mail
since Jan 2023
AI Crawlers
Doesn't name any of the 33 AI crawlers we track in its robots.txt. Catch-all rules (User-agent: *) restrict some paths for every crawler, AI or not. Checked Aug 2026.
- robots.txt found
- llms.txt not checked
- ai.txt not checked
AI Crawlers
No AI crawlers blocked
Open Page Rank
2.80 / 10 · ranked #1,982,563 of all domains
28 referring domains · OpenPageRank
Page
- Language: English
- Weight: 2.6 MB · 47 requests
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on Hetzner (213.133.104.62, IPv6)
- DNS: Hetzner
- Email: Proton Mail
- Email security: SPF (soft fail), DMARC quarantine
- SSL: Let's Encrypt, RSA 2048, expires Oct 2026
- Common Crawl link graph: rank 9,741,370, 2 hosts
- Verified with: Proton
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted