What powers schoolsafe.kr?
Last seen Mar 2026 · 22 technologies across 10 categories
CDN
JavaScript frameworks
JavaScript libraries
Miscellaneous
Kakao
since Feb 2022
Operating Systems
Programming languages
UI frameworks
Bootstrap
since Jun 2019
Web Frameworks
Web server extensions
Web Servers
AI Crawlers
robots.txt could not be read at the last check (Sep 2026), so its policy is unknown.
- robots.txt not checked
- llms.txt not checked
- ai.txt not checked
AI Crawlers
Policy unknown
Audience
- 100% desktop
South Korea
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.11 / 10 · ranked #1,404,211 of all domains
29 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.3 s |
| INP | 25 ms |
| CLS | 0.1 |
| TTFB | 100 ms |
Real user p75, Chrome UX Report, Sep 2026.
Infrastructure
- Hosted on DUZONBIZON-AS-KR DOUZONEBIZON (1.224.187.178)
- DNS: gabia.co.kr
- Email: no MX record returned
- SSL: GlobalSign, RSA 2048, expires Mar 2027
- Common Crawl link graph: rank 11,013,206, 4 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| schoolsafe.kr | 13 |
| www.schoolsafe.kr | 13 |
| disaster.schoolsafe.kr | 8 |
| m.schoolsafe.kr | 7 |
| lecture.schoolsafe.kr | 3 |