What powers cntt.co.kr?
Last seen Oct 2026 · 29 technologies across 14 categories
Analytics
Google Analytics
since Mar 2022
Naver Analytics
since Jun 2022
CDN
Font scripts
Ionicons
since Mar 2021
JavaScript frameworks
JavaScript libraries
Miscellaneous
Open Graph
since Sep 2022
Swiper Slider
since Mar 2022
Operating systems
Windows Server
since Mar 2022
Programming languages
Java
since Jan 2023
Security
HSTS
since Sep 2024
UI frameworks
Semantic UI
since Jul 2024
Video players
YouTube
since Sep 2022
Web frameworks
Microsoft ASP.NET
since Mar 2022
Web server extensions
Web servers
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
- 69% desktop
- 31% phone
South Korea
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
2.87 / 10 · ranked #1,825,037 of all domains
16 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.5 s |
| INP | 50 ms |
| CLS | 0.05 |
| TTFB | 100 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Weight: 1.3 MB · 32 requests
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Hosted on Korea Telecom (121.162.141.185)
- DNS: cnttech.co.kr
- Email: cntt.co.kr
- Email security: SPF (soft fail), DMARC monitor only
- SSL: DigiCert, RSA 2048, wildcard, expires Feb 2027
- Common Crawl link graph: rank 8,712,717, 4 hosts
- Verified with: Google, Microsoft 365
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| www.cntt.co.kr | 12 |
| intra.cntt.co.kr | 10 |
| pizzamaru.cntt.co.kr | 10 |
| dongguk.cntt.co.kr | 8 |
| webpos.cntt.co.kr | 8 |
| forum.cntt.co.kr | 5 |