What powers etfolio.kr?
Last seen Aug 2026 · 18 technologies across 11 categories
Advertising
Google AdSense
since Jul 2026
Analytics
Google Analytics
since Jul 2026
Naver Analytics
since Jul 2026
Authentication
NextAuth.js
since Jul 2026
JavaScript frameworks
JavaScript graphics
Recharts
since Jul 2026
Miscellaneous
Performance
Priority Hints
since Jul 2026
Programming languages
Node.js
since Jul 2026
Security
HSTS
since Jul 2026
UI frameworks
Web servers
AI Crawlers
Restricts 6 of 33 AI crawlers we track by name in its robots.txt. Checked Aug 2026.
Training crawlers
- ClaudeBot Restricted
- GPTBot Restricted
Search and AI assistants
- Claude-SearchBot Restricted
- OAI-SearchBot Restricted
- PerplexityBot Restricted
User-request fetchers
- ChatGPT-User Restricted
The other 27 AI crawlers we track are not mentioned and only inherit the catch-all rules that apply to every crawler.
- robots.txt found
- llms.txt found
- llms-full.txt found
- ai.txt not found
AI Crawlers
6 of 33 AI crawlers restricted
Standards: llms.txt, llms-full.txt
Audience
South Korea
Where the site's Chrome visitors come from, largest estimated audience first.
Core Web Vitals
| LCP | 1 s |
| INP | 100 ms |
| CLS | 0.7 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Korean
- Weight: 0.8 MB · 58 requests
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.