What powers 
known.is?
Last seen Sep 2026 · 25 technologies across 15 categories
Advertising
Analytics
CDN
CMS
Cookie compliance
JavaScript frameworks
JavaScript libraries
Miscellaneous
PaaS
Programming languages
Security
Tag managers
UI frameworks
Webmail
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 Oct 2026.
- robots.txt found
- llms.txt found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Standards: llms.txt
Audience
- 84% desktop
- 16% phone
United States
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
4.51 / 10 · ranked #399,713 of all domains
46 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.4 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: English
- CDN: Vercel
- Weight: 25.6 MB · 260 requests
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
From the homepage's own structured data (Sep 2026).
Infrastructure
- Hosted on Amazon Web Services (76.76.21.21)
- DNS: Cloudflare DNS
- Email: Microsoft 365
- Email security: no SPF record, DMARC reject
- SSL: Let's Encrypt, RSA 2048, expires Dec 2026
- Common Crawl link graph: rank 6,906,851, 3 hosts
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted