What powers varianceexplained.org?
Last seen Mar 2026 · 14 technologies across 9 categories
Analytics
CDN
cdnjs
since Nov 2021
Cloudflare
since May 2022
GitHub Pages
since May 2017
Google Hosted Libraries
since Feb 2022
CMS
Jekyll
since May 2017
Font Scripts
Google Font API
since May 2017
JavaScript Frameworks
JavaScript Graphics
Miscellaneous
Open Graph
since Sep 2022
RSS
since Dec 2022
Programming languages
Ruby
since Jun 2018
Web frameworks
Ruby on Rails
since Jun 2018
AI Crawlers
Doesn't mention any of the 33 AI crawlers we track in its robots.txt; all are allowed by default. Checked Sep 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
United States
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
5.97 / 10 · ranked #111,767 of all domains
246 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.2 s |
| INP | 25 ms |
| CLS | 0.05 |
| TTFB | 600 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: English
- Weight: 0.3 MB · 18 requests
- Structured data: OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on GitHub (192.30.252.153)
- DNS: Namecheap
- Email: no MX record returned
- Common Crawl link graph: rank 69,433, 3 hosts
DNS records as swept Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| varianceexplained.org | 13 |
| www.varianceexplained.org | 9 |