What powers 
steel.dev?
Last seen Oct 2026 · 33 technologies across 20 categories
Advertising
Analytics
Authentication
CDN
CMS
Development
Font scripts
Issue trackers
JavaScript frameworks
JavaScript graphics
Miscellaneous
PaaS
Payment processors
Performance
Programming languages
Rich text editors
Security
Static site generator
Tag managers
UI frameworks
AI Crawlers
Doesn't mention any of the 33 AI crawlers we track in its robots.txt; all are allowed by default. Checked Nov 2026.
- robots.txt found
- llms.txt found
- llms-full.txt found
- ai.txt not found
- Oct 2026 * added to robots.txt
- Oct 2026 llms-full.txt appeared
- Oct 2026 robots.txt appeared
- Oct 2026 * removed from robots.txt
- Sep 2026 llms-full.txt removed
- Sep 2026 robots.txt removed
AI Crawlers
No AI crawlers blocked
Standards: llms.txt, llms-full.txt
Audience
- 85% desktop
- 15% phone
India
Canada
United States
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
4.03 / 10 · ranked #546,146 of all domains
60 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.4 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 400 ms |
Real user p75, Chrome UX Report, Oct 2026.
Page
- Language: English
- CDN: Vercel
- Weight: 1.3 MB · 51 requests
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Oct 2026.
Organisation
From the homepage's own structured data (Oct 2026).
Infrastructure
- Registered Jul 2024 (2 years) via Namecheap Inc., renews Jul 2027
- Hosted on Amazon Web Services (216.150.1.129)
- DNS: Cloudflare DNS
- Email: Google Workspace
- Email security: no SPF record, DMARC monitor only
- SSL: Let's Encrypt, RSA 2048, expires Dec 2026
- Common Crawl link graph: rank 1,943,298, 13 hosts
- Verified with: Google
DNS records as swept Nov 2026, certificate as seen Nov 2026, registration from the registry's RDAP service. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| steel.dev | 23 |
| docs.steel.dev | 20 |
| app.steel.dev | 13 |
| playground.steel.dev | 11 |
| leaderboard.steel.dev | 7 |
Full technology history →
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Recent changes
- dropped Caddy Oct 2026
- dropped Google Cloud Oct 2026
- dropped Google Cloud Storage Oct 2026
- dropped Headless UI Oct 2026
- dropped HTTP/3 Oct 2026
- detected Three.js Oct 2026
- detected Vercel Analytics Oct 2026
- dropped Vue.js Oct 2026
- detected Vercel Speed Insights Sep 2026
- detected Linkedin Insight Tag Jun 2026
- dropped Amazon Web Services May 2026
- detected Google Tag Manager Apr 2026
- detected Amazon Web Services Mar 2026