What powers e1.co.kr?
Last seen Oct 2026 · 6 technologies across 3 categories
JavaScript libraries
Miscellaneous
Open Graph
since Feb 2024
Programming languages
Java
since Aug 2022
AI Crawlers
Blocks all crawlers by default in robots.txt (User-agent: *). Checked Nov 2026.
- robots.txt found
- llms.txt not checked
- ai.txt not checked
AI Crawlers
All crawlers blocked
Audience
- 88% desktop
- 12% phone
South Korea
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.67 / 10 · ranked #776,618 of all domains
45 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.1 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Oct 2026.
Page
- Language: Korean
- Weight: 18.3 MB · 47 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Oct 2026.
Organisation
- E1
- Founded: 1984
- Country: South Korea
From Wikidata (CC0).
Infrastructure
- Hosted on LGDACOM-KR - LG DACOM Corporation (121.254.141.205)
- DNS: dacom.co.kr
- Email: lsworkplace.com
- Email security: SPF (soft fail), DMARC reject
- SSL: Sectigo, RSA 2048, wildcard, expires Jan 2027
- Common Crawl link graph: rank 11,572,605, 3 hosts
- Verified with: Microsoft 365
DNS records as swept Nov 2026, certificate as seen Nov 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| e1.co.kr | 6 |
| www.e1.co.kr | 6 |
Full technology history →
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Recent changes
- dropped cdnjs Aug 2026
- dropped Cloudflare Aug 2026