What powers 
rolf-hefti.com?
Last seen Mar 2024 · 7 technologies across 7 categories
Caching
Font scripts
Google Font API
since Jan 2023
JavaScript libraries
Miscellaneous
Open Graph
since Jan 2023
Search engines
Site Search 360
since Jan 2023
Security
HSTS
since Jan 2023
Web servers
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 Sep 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Open Page Rank
3.71 / 10 · ranked #758,763 of all domains
112 referring domains · OpenPageRank
Infrastructure
- Hosted on ESTRUXTURE-QC-10929 (173.247.218.77)
- DNS: sitesell.com
- Email: sitebuildit.com
- Email security: SPF (neutral), DMARC monitor only
- SSL: Let's Encrypt, RSA 2048, expires Nov 2026
- Common Crawl link graph: rank 6,957,093, 2 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted