What powers kcert.co.kr?
Last seen Sep 2026 · 23 technologies across 12 categories
CDN
cdnjs
since Dec 2022
Cloudflare
since Dec 2022
Databases
Firebase
since Dec 2022
Font scripts
Font Awesome
since Dec 2022
Google Font API
since Dec 2022
JavaScript frameworks
JavaScript libraries
Miscellaneous
Operating systems
UNIX
since Aug 2022
Programming languages
Java
since Mar 2020
TypeScript
since Dec 2022
Security
HSTS
since Dec 2022
UI frameworks
Bootstrap
since Aug 2022
Web server extensions
Web servers
Apache Tomcat
since Mar 2020
AI Crawlers
robots.txt could not be read at the last check (Oct 2026), so its policy is unknown.
- robots.txt not checked
- llms.txt not checked
- ai.txt not checked
AI Crawlers
Policy unknown
Audience
South Korea
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
0.75 / 10 · ranked #17,697,041 of all domains
2 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.5 s |
| CLS | 0 |
| TTFB | 800 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: Korean
- CDN: Fastly
- Weight: 4.6 MB · 65 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Hosted on Fastly (151.101.1.195)
- DNS: uhost.co.kr
- Email: bizmeka.com
- Email security: SPF (soft fail), no DMARC record
- SSL: Google Trust Services, RSA 2048, expires Jan 2027
- Common Crawl link graph: rank 33,950,524, 2 hosts
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| kcert.co.kr | 16 |
| scm.kcert.co.kr | 8 |