What powers issm.or.kr?
Last seen Nov 2024 · 19 technologies across 10 categories
CDN
cdnjs
since Oct 2023
Cloudflare
since Oct 2023
jQuery CDN
since Nov 2024
jsDelivr
since Oct 2023
Unpkg
since Nov 2024
CMS
Gnuboard
since Oct 2023
Databases
MySQL
since Oct 2023
Font scripts
Font Awesome
since Oct 2023
Google Font API
since Oct 2023
JavaScript libraries
Swiper
since Oct 2023
Miscellaneous
Open Graph
since Jan 2023
Operating systems
UNIX
since Jan 2023
Programming languages
Web server extensions
Web servers
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
- 100% desktop
South Korea
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.02 / 10 · ranked #1,546,345 of all domains
11 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.3 s |
| INP | 25 ms |
| CLS | 0 |
| TTFB | 100 ms |
Real user p75, Chrome UX Report, Sep 2026.
Infrastructure
- Hosted on DIRECT-AS-KR SAMJUNG DATA SERVICE (223.130.88.20)
- DNS: sdsns.com
- Email: no MX record returned
- SSL: Sectigo, RSA 2048, expires Oct 2026
- Common Crawl link graph: rank 3,258,718, 2 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted