What powers 
perturb.org?
Last seen Jul 2026 · 7 technologies across 5 categories
JavaScript libraries
Highlight.js
since Mar 2020
Miscellaneous
Open Graph
since Sep 2025
RSS
since Dec 2022
Programming languages
UI frameworks
Web servers
Apache HTTP Server
since Mar 2020
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 Nov 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Open Page Rank
4.00 / 10 · ranked #565,575 of all domains
50 referring domains · OpenPageRank
Infrastructure
- Registered Jan 2002 (24 years) via GKG.NET, INC., renews Jan 2030
- Hosted on CANBYTELEPHONEASSOCIATION - Canby Telephone Association (65.182.224.60, IPv6)
- DNS: web-ster.com
- Email: perturb.org
- Email security: SPF (soft fail), DMARC monitor only
- SSL: Let's Encrypt, RSA 2048, expires Dec 2026
- Common Crawl link graph: rank 1,055,576, 3 hosts
DNS records as swept Nov 2026, certificate as seen Nov 2026, registration from the registry's RDAP service. How the web is hosted
Full technology history →
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Recent changes
- detected Apache HTTP Server Jul 2026
- detected Bootstrap Jul 2026
- detected Highlight.js Jul 2026
- detected jQuery Jul 2026
- detected Open Graph Jul 2026
- detected PHP Jul 2026
- detected RSS Jul 2026