What powers sen.es.kr?
Last seen Oct 2026 · 8 technologies across 4 categories
JavaScript libraries
Miscellaneous
Kakao
since Dec 2024
Programming languages
Java
since Nov 2021
Webmail
AI Crawlers
Doesn't name any of the 33 AI crawlers we track in its robots.txt. Catch-all rules (User-agent: *) restrict some paths for every crawler, AI or not. Checked Oct 2026.
- robots.txt found
- llms.txt not checked
- ai.txt not checked
AI Crawlers
No AI crawlers blocked
Audience
- 100% desktop
South Korea
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.03 / 10 · ranked #1,533,025 of all domains
25 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.8 s |
| INP | 50 ms |
| CLS | 0.05 |
| TTFB | 500 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: Korean
- Weight: 8.2 MB · 85 requests
Homepage as crawled by the HTTP Archive, Oct 2026.
Organisation
- Seoul Gaewon Elementary School
- Founded: 1982
- Country: South Korea
From Wikidata (CC0).
Infrastructure
- Hosted on SENNEIS-AS-KR Seoul Metropolitan Office Of Education (103.157.158.113)
- DNS: ssem.or.kr
- Email: no MX record returned
- SSL: GlobalSign, RSA 2048, wildcard, expires Nov 2026
- Common Crawl link graph: rank 1,262,050, 575 hosts
- Verified with: GlobalSign
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| gunam.sen.es.kr | 7 |
| changchon.sen.es.kr | 6 |
| changdo.sen.es.kr | 6 |
| cheonwang.sen.es.kr | 6 |
| chihyeon.sen.es.kr | 6 |
| chongryang.sen.es.kr | 6 |
| chugye.sen.es.kr | 6 |
| dogok.sen.es.kr | 6 |
| donam.sen.es.kr | 6 |
| eonbuk.sen.es.kr | 6 |
| gadong.sen.es.kr | 6 |
| geumhwa.sen.es.kr | 6 |
| gilwon.sen.es.kr | 6 |
| guro.sen.es.kr | 6 |
| gwangnam.sen.es.kr | 6 |
| hd.sen.es.kr | 6 |
| ilwon.sen.es.kr | 6 |
| itaewon.sen.es.kr | 6 |
| jeongok.sen.es.kr | 6 |
| junghwa.sen.es.kr | 6 |
| jungpyong.sen.es.kr | 6 |
| ks.sen.es.kr | 6 |
| kyodong.sen.es.kr | 6 |
| kyonggi.sen.es.kr | 6 |