What powers metals.dev?
Last seen Aug 2026 · 18 technologies across 12 categories
Analytics
CDN
Databases
Font scripts
IaaS
JavaScript frameworks
Miscellaneous
Performance
Programming languages
Security
UI frameworks
Web frameworks
AI Crawlers
Blocks 8 of 33 AI crawlers we track by name in its robots.txt. Checked Aug 2026.
Training crawlers
- Applebot-Extended Blocked
- Bytespider Blocked
- CCBot Blocked
- ClaudeBot Blocked
- Google-Extended Blocked
- GPTBot Blocked
- meta-externalagent Blocked
Search and AI assistants
- Amazonbot Blocked
The other 25 AI crawlers we track are not mentioned and only inherit the catch-all rules that apply to every crawler.
- robots.txt found
- llms.txt not found
- ai.txt not found
Content Signals:
search=yes ai-train=no declared in robots.txt
AI Crawlers
8 of 33 AI crawlers blocked
Standards: Content Signals
Audience
- 79% desktop
- 21% phone
India
United States
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
1.28 / 10 · ranked #8,852,979 of all domains
2 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.4 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 900 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: English
- CDN: Cloudflare
- Weight: 0.6 MB · 32 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Aug 2026.
Subdomains
| Host | Techs |
|---|---|
| metals.dev | 14 |
| auth.metals.dev | 7 |
Full technology history →
Report an incorrect detection
Recent changes
- detected Cloudflare Jul 2026
- detected Cloudflare Browser Insights Jul 2026