What powers ptp.or.kr?
Last seen Sep 2026 · 7 technologies across 5 categories
CDN
jsDelivr
since May 2021
JavaScript libraries
Programming languages
Java
since Mar 2020
UI frameworks
Bootstrap
since Mar 2020
Web servers
Apache HTTP Server
since Jan 2019
AI Crawlers
No robots.txt, so all AI crawlers are allowed by default. Checked Sep 2026.
- robots.txt not found
- llms.txt not found
- ai.txt not found
AI Crawlers
No robots.txt, all AI crawlers allowed
Audience
- 89% desktop
- 11% phone
South Korea
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.30 / 10 · ranked #1,125,133 of all domains
35 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.9 s |
| INP | 25 ms |
| CLS | 0.05 |
| TTFB | 400 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: Korean
- Weight: 36.2 MB · 118 requests
Homepage as crawled by the HTTP Archive, Oct 2026.
Organisation
- Pohang Techno Park
- Country: South Korea
From Wikidata (CC0).
Infrastructure
- Hosted on POSNET POSCO DX (203.231.146.3)
- DNS: ptp.or.kr
- Email: no MX record returned
- Email security: SPF (soft fail), DMARC monitor only
- SSL: DigiCert, RSA 2048, expires Mar 2027
- Common Crawl link graph: rank 11,944,419, 3 hosts
- Verified with: Google
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| ptp.or.kr | 7 |
| www.ptp.or.kr | 7 |