What powers 
hcroh.org?
Last seen Oct 2026 · 29 technologies across 15 categories
Analytics
Google Analytics
since Sep 2020
Naver Analytics
since Apr 2022
Blogs
Caching
WP Rocket
since Sep 2020
CDN
cdnjs
since Aug 2023
Cloudflare
since Aug 2023
Google Hosted Libraries
since Feb 2022
jsDelivr
since Aug 2023
CMS
Wix
since Jan 2019
Databases
MySQL
since Sep 2020
Font scripts
Google Font API
since Apr 2019
JavaScript Frameworks
JavaScript Libraries
Miscellaneous
Operating systems
Ubuntu
since Feb 2020
Programming languages
Video Players
YouTube
since Jan 2019
Web servers
Apache HTTP Server
since Sep 2020
Webmail
Google Workspace
since Feb 2026
AI Crawlers
No robots.txt, so all AI crawlers are allowed by default. Checked Nov 2026.
- robots.txt not found
- llms.txt not found
- ai.txt not found
- Oct 2026 * removed from robots.txt
- Sep 2026 llms.txt removed
- Sep 2026 robots.txt removed
- Sep 2026 llms.txt appeared
- Sep 2026 robots.txt appeared
- Sep 2026 * added to robots.txt
AI Crawlers
No robots.txt, all AI crawlers allowed
Audience
- 69% desktop
- 31% phone
South Korea
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.71 / 10 · ranked #756,111 of all domains
18 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.8 s |
| INP | 25 ms |
| CLS | 0.2 |
| TTFB | 900 ms |
Real user p75, Chrome UX Report, Oct 2026.
Page
- Language: Korean
- Weight: 3.3 MB · 69 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Oct 2026.
Organisation
- Roh Hoe-chan Foundation
- Country: South Korea
From Wikidata (CC0).
Infrastructure
- Hosted on Amazon Web Services (108.139.15.27)
- DNS: hostcocoa.com
- Email: Google Workspace
- Email security: SPF (soft fail), no DMARC record
- SSL: Amazon Trust Services, RSA 2048, expires Nov 2026
- Common Crawl link graph: rank 13,242,426, 5 hosts
- Verified with: Google
DNS records as swept Nov 2026, certificate as seen Nov 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| archives.hcroh.org | 14 |
| www.hcroh.org | 9 |
| hcroh.org | 8 |
| memorial.hcroh.org | 8 |
Full technology history →
Report an incorrect detection
Recent changes
- dropped HSTS Jul 2026
- detected Google Workspace Feb 2026