What powers tcis.or.kr?
Last seen Oct 2026 · 25 technologies across 14 categories
Analytics
CDN
Databases
Editors
JavaScript frameworks
JavaScript libraries
Miscellaneous
PaaS
Programming languages
Security
Tag managers
Translation
Video players
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 found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 68% desktop
- 32% phone
United States
South Korea
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
2.36 / 10 · ranked #2,759,260 of all domains
21 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.4 s |
| INP | 75 ms |
| CLS | 0.7 |
| TTFB | 1400 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: English (United States)
- CDN: Cloudflare
- Weight: 2.7 MB · 75 requests
- Structured data: JSON-LD, OpenGraph
Homepage as crawled by the HTTP Archive, Oct 2026.
Organisation
- Taejon Christian International School
- Industry: Education (declares
EducationalOrganization) - Country: South Korea
- Profiles: Facebook, X, Instagram, LinkedIn
From the homepage's own structured data (Oct 2026) and Wikidata (CC0).
Infrastructure
- Hosted on Cloudflare (104.17.70.73)
- DNS: Azure DNS
- Email: Google Workspace
- Email security: SPF (soft fail), no DMARC record
- SSL: Google Trust Services, ECDSA P256, expires Dec 2026
- Common Crawl link graph: rank 2,846,812, 2 hosts
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| www.tcis.or.kr | 25 |
| apps.tcis.or.kr | 4 |
Full technology history →
Report an incorrect detection
Recent changes
- detected Google Analytics Oct 2026
- detected Cloudflare Browser Insights Sep 2026
- detected Naver Analytics Sep 2026
- detected Weglot Sep 2026
- dropped Cloudflare Browser Insights Aug 2026
- dropped Google Analytics Aug 2026
- dropped Weglot Aug 2026
- dropped React May 2026
- detected VideoJS May 2026
- detected Preact Apr 2026
- detected Stimulus Mar 2026
- dropped Preact Feb 2026
- detected React Feb 2026
- dropped cdnjs Dec 2025
- dropped core-js Dec 2025
- dropped Facebook Pixel Dec 2025
- dropped Google Font API Dec 2025
- dropped MailerLite Dec 2025
- detected Preact Dec 2025
- dropped React Dec 2025
- detected Weglot Dec 2025