What powers e-jcr.org?
Last seen Jul 2024 · 10 technologies across 9 categories
Analytics
Naver Analytics
since Aug 2023
CDN
Google Hosted Libraries
since Aug 2023
Font scripts
Font Awesome
since Aug 2023
JavaScript libraries
PaaS
Amazon Web Services
since Aug 2023
Programming languages
PHP
since Aug 2023
UI frameworks
Bootstrap
since Aug 2023
Web frameworks
CodeIgniter
since Aug 2023
Web servers
Apache HTTP Server
since Aug 2023
AI Crawlers
Doesn't mention any of the 33 AI crawlers we track in its robots.txt; all are allowed by default. Checked Sep 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 100% desktop
South Korea
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
0.45 / 10 · ranked #29,483,523 of all domains
1 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.5 s |
| INP | 50 ms |
| CLS | 0.3 |
| TTFB | 1300 ms |
Real user p75, Chrome UX Report, Aug 2026.
Infrastructure
- Hosted on Amazon Web Services (3.36.201.134)
- DNS: Amazon Route 53
- Email: no MX record returned
- SSL: Let's Encrypt, RSA 2048, expires Nov 2026
- Common Crawl link graph: rank 7,053,158, 3 hosts
DNS records as swept Aug 2026, certificate as seen Sep 2026. How the web is hosted