What powers pywhy.org?
Last seen Aug 2026 · 9 technologies across 6 categories
Caching
Varnish
since Mar 2023
CDN
Hosting
GoDaddy
since Mar 2023
JavaScript libraries
PaaS
GitHub Pages
since Mar 2023
Security
Cloudflare Bot Management
since Oct 2023
HSTS
since Mar 2023
AI Crawlers
No robots.txt, so all AI crawlers are allowed by default. Checked Sep 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
3.72 / 10 · ranked #751,321 of all domains
30 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.9 s |
| INP | 25 ms |
| CLS | 0 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: English
- CDN: Fastly
- Weight: 1.2 MB · 20 requests
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on Fastly (185.199.108.153, IPv6)
- DNS: GoDaddy DNS
- Email: no MX record returned
- SSL: Let's Encrypt, RSA 2048, expires Nov 2026
- Common Crawl link graph: rank 488,990, 2 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted