What powers 
shadow.so?
Last seen Sep 2026 · 21 technologies across 10 categories
Analytics
Vercel Analytics
since May 2025
CDN
Cloudflare
since Jan 2025
JavaScript frameworks
JavaScript libraries
Miscellaneous
Open Graph
since Jan 2025
Webpack
since Jan 2025
PaaS
Vercel
since Jan 2025
Performance
Priority Hints
since Jan 2025
Programming languages
Security
HSTS
since Jan 2025
UI frameworks
Headless UI
since Feb 2025
Radix UI
since Feb 2025
shadcn/ui
since Feb 2025
Tailwind CSS
since Jan 2025
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
- 67% desktop
- 33% phone
United States
India
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
4.00 / 10 · ranked #568,293 of all domains
74 referring domains · OpenPageRank
Core Web Vitals
| LCP | 3.1 s |
| INP | 1425 ms |
| CLS | 0.15 |
| TTFB | 400 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: English
- CDN: Vercel
- Weight: 6.8 MB · 98 requests
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on Amazon Web Services (216.150.1.1)
- DNS: Cloudflare DNS
- Email: no MX record returned
- SSL: Let's Encrypt, RSA 2048, expires Dec 2026
- Common Crawl link graph: rank 7,053,778, 3 hosts
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| www.shadow.so | 18 |
| docs.shadow.so | 13 |
Full technology history →
Report an incorrect detection
Recent changes
- detected Cloudflare Mar 2026
- dropped Cloudflare Jan 2026
- dropped Ethers Nov 2025