What powers 
posri.re.kr?
Last seen Jul 2026 · 11 technologies across 6 categories
Analytics
JavaScript Frameworks
JavaScript libraries
Miscellaneous
Programming languages
Security
AI Crawlers
Does not block any of the 33 AI crawlers we track in its robots.txt. Checked Sep 2026.
Training crawlers
- Applebot-Extended Allowed
- CCBot Allowed
- ClaudeBot Allowed
- Diffbot Allowed
- FacebookBot Allowed
- Google-CloudVertexBot Allowed
- Google-Extended Allowed
- GoogleOther Allowed
- GPTBot Allowed
- meta-externalagent Allowed
Search and AI assistants
- Amazonbot Allowed
- Applebot Allowed
- Claude-SearchBot Allowed
- DuckAssistBot Allowed
- OAI-SearchBot Allowed
- PerplexityBot Allowed
- PetalBot Allowed
- YouBot Allowed
User-request fetchers
- ChatGPT-User Allowed
- Claude-User Allowed
- meta-externalfetcher Allowed
- Perplexity-User Allowed
The other 11 AI crawlers we track are not mentioned and stay allowed by default.
- robots.txt found
- llms.txt not checked
- ai.txt not checked
AI Crawlers
No AI crawlers blocked
Audience
- 95% desktop
- 5% phone
South Korea
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.65 / 10 · ranked #787,933 of all domains
63 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.5 s |
| INP | 25 ms |
| CLS | 0 |
| TTFB | 100 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Korean
- Weight: 11.7 MB · 96 requests
- Structured data: JSON-LD, OpenGraph
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
- 포스코경영연구원 (POSCO Research Institute on Wikidata)
- Founded: 1985
- Sector: research and development
- Country: South Korea
From the homepage's own structured data (Sep 2026) and Wikidata (CC0).
Infrastructure
- Hosted on LGDACOM LG DACOM Corporation (123.140.4.170)
- DNS: lguplus.com
- Email: posco.net
- Email security: SPF (soft fail), no DMARC record
- SSL: DigiCert, RSA 2048, expires Dec 2026
- Common Crawl link graph: rank 829,329, 3 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| posri.re.kr | 11 |
| www.posri.re.kr | 10 |