What powers understandinglinearalgebra.org?
Last seen Oct 2026 · 3 technologies across 3 categories
AI Crawlers
No robots.txt, so all AI crawlers are allowed by default. Checked Oct 2026.
- robots.txt not found
- llms.txt not found
- ai.txt not found
AI Crawlers
No robots.txt, all AI crawlers allowed
Audience
- 88% desktop
- 12% phone
United States
India
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
1.81 / 10 · ranked #4,288,798 of all domains
11 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1 s |
| INP | 100 ms |
| CLS | 0.05 |
| TTFB | 200 ms |
Real user p75, Chrome UX Report, Oct 2026.
Page
- Language: English
- CDN: Fastly
- Weight: 0.1 MB · 6 requests
- Structured data: OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Oct 2026.
Organisation
- Understanding Linear Algebra
From Wikidata (CC0).
Infrastructure
- Hosted on Fastly (185.199.108.153)
- DNS: Namecheap
- Email: Namecheap
- Email security: SPF (soft fail), no DMARC record
- SSL: Let's Encrypt, RSA 2048, expires Nov 2026
- Common Crawl link graph: rank 6,779,730
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted