What powers gammalab.kr?
Last seen Aug 2026 · 13 technologies across 8 categories
Analytics
Cloudflare Browser Insights
since Jul 2026
Google Analytics
since Jul 2026
Naver Analytics
since Jul 2026
PostHog
since Jul 2026
CDN
Cloudflare
since Jul 2026
Issue trackers
Sentry
since Jul 2026
JavaScript frameworks
React
since Jul 2026
JavaScript graphics
Recharts
since Jul 2026
JavaScript libraries
Miscellaneous
HTTP/3
since Jul 2026
Open Graph
since Jul 2026
Security
HSTS
since Jul 2026
AI Crawlers
Blocks 7 of 33 AI crawlers we track by name in its robots.txt, restricts 7 more. Checked Aug 2026.
Training crawlers
- Applebot-Extended Blocked
- Bytespider Blocked
- CCBot Blocked
- ClaudeBot Blocked
- GPTBot Blocked
- meta-externalagent Blocked
- Google-Extended Restricted
Search and AI assistants
- Amazonbot Blocked
- Claude-SearchBot Restricted
- OAI-SearchBot Restricted
- PerplexityBot Restricted
User-request fetchers
- ChatGPT-User Restricted
- Claude-User Restricted
- Perplexity-User Restricted
The other 19 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
- ai.txt not checked
AI Crawlers
7 of 33 AI crawlers blocked
Standards: llms.txt
Audience
South Korea
Where the site's Chrome visitors come from, largest estimated audience first.
Core Web Vitals
| LCP | 1.1 s |
| INP | 225 ms |
| CLS | 0 |
| TTFB | 500 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Korean
- CDN: Cloudflare
- Weight: 4.1 MB · 46 requests
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.