What powers uengine.org?
Last seen Oct 2026 · 16 technologies across 10 categories
Analytics
Caching
CDN
Font scripts
JavaScript libraries
Miscellaneous
PaaS
UI frameworks
Video players
Webmail
AI Crawlers
Does not block any of the 33 AI crawlers we track in its robots.txt. Checked Oct 2026.
Training crawlers
- ClaudeBot Allowed
- Google-Extended Allowed
- GPTBot Allowed
Search and AI assistants
- OAI-SearchBot Allowed
- PerplexityBot Allowed
The other 28 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
AI Crawlers
No AI crawlers blocked
Audience
South Korea
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
1.91 / 10 · ranked #3,844,774 of all domains
21 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.9 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Oct 2026.
Page
- Language: Korean
- CDN: Fastly
- Weight: 2.9 MB · 70 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
- Hosted on Amazon Web Services (3.5.185.25)
- DNS: Amazon Route 53
- Email: Google Workspace
- Email security: SPF (soft fail), DMARC monitor only
- SSL: Let's Encrypt, RSA 2048, expires Dec 2026
- Common Crawl link graph: rank 3,125,902, 2 hosts
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Full technology history →
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