What powers sen.hs.kr?
Last seen Oct 2026 · 11 technologies across 6 categories
CMS
Databases
JavaScript libraries
Miscellaneous
Programming languages
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 Nov 2026.
- robots.txt found
- llms.txt not checked
- ai.txt not checked
AI Crawlers
No AI crawlers blocked
Audience
- 44% desktop
- 35% phone
- 20% tablet
South Korea
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
4.48 / 10 · ranked #404,551 of all domains
82 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.1 s |
| INP | 75 ms |
| CLS | 0.3 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: Korean
- Weight: 6.3 MB · 75 requests
Homepage as crawled by the HTTP Archive, Oct 2026.
Organisation
- Hansung Science High School
- Founded: 1992
- Country: South Korea
From Wikidata (CC0).
Infrastructure
- Registered Jun 2019 (7 years), renews Jun 2030
- Hosted on SENNEIS-AS-KR-KR - Seoul Metropolitan Office Of Education (103.157.158.115)
- DNS: ssem.or.kr
- Email: no MX record returned
- SSL: GlobalSign, RSA 2048, wildcard, expires Nov 2026
- Common Crawl link graph: rank 519,089, 301 hosts
- Verified with: GlobalSign
DNS records as swept Nov 2026, certificate as seen Nov 2026, registration from the registry's RDAP service. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| sfl.sen.hs.kr | 8 |
| donggoo.sen.hs.kr | 7 |
| dongilg.sen.hs.kr | 7 |
| gajaeul.sen.hs.kr | 7 |
| hid.sen.hs.kr | 7 |
| jayang.sen.hs.kr | 7 |
| sangmyung.sen.hs.kr | 7 |
| seodi.sen.hs.kr | 7 |
| seokgwan.sen.hs.kr | 7 |
| seoulculture.sen.hs.kr | 7 |
| seoulmagnet.sen.hs.kr | 7 |
| sghs.sen.hs.kr | 7 |
| sunil.sen.hs.kr | 7 |
| bangsan.sen.hs.kr | 6 |
| cham.sen.hs.kr | 6 |
| changduk.sen.hs.kr | 6 |
| chungryang.sen.hs.kr | 6 |
| daeil-tour.sen.hs.kr | 6 |
| daeshin.sen.hs.kr | 6 |
| daewon.sen.hs.kr | 6 |
| di.sen.hs.kr | 6 |
| dongmyung.sen.hs.kr | 6 |
| edaebugo.sen.hs.kr | 6 |
| ep.sen.hs.kr | 6 |
Full technology history →
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