What powers isu.co.kr?
Last seen Aug 2026 · 30 technologies across 15 categories
Analytics
Google Analytics
since Feb 2020
Naver Analytics
since Oct 2022
CMS
Databases
MySQL
since Dec 2020
Editors
DreamWeaver
since Jan 2019
Font scripts
Font Awesome
since Feb 2020
Google Font API
since Feb 2020
JavaScript libraries
Hammer.js
since Feb 2020
Isotope
since Jul 2021
Modernizr
since Jun 2020
OWL Carousel
since Feb 2020
Slick
since Aug 2022
Miscellaneous
Open Graph
since Sep 2022
RSS
since Dec 2022
Operating Systems
CentOS
since Oct 2022
Windows Server
since Jan 2019
Programming languages
Security
HSTS
since Jun 2024
SEO
UI frameworks
Animate.css
since Feb 2020
Web Frameworks
Web server extensions
Web Servers
Apache HTTP Server
since Dec 2020
IIS
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
- 100% desktop
South Korea
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.25 / 10 · ranked #1,193,919 of all domains
44 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.9 s |
| INP | 75 ms |
| CLS | 0.15 |
| TTFB | 100 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Korean
- Weight: 4.8 MB · 92 requests
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
- Isu Group
- Founded: 1996
- Country: South Korea
From Wikidata (CC0).
Infrastructure
- Hosted on NBPAP-AS-AP NAVER BUSINESS PLATFORM ASIA PACIFIC PTE. LTD. (110.165.22.225)
- Email: isu.co.kr
- Email security: no SPF record, no DMARC record
- SSL: GlobalSign, RSA 2048, wildcard, expires Feb 2027
- Common Crawl link graph: rank 11,284,885, 6 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| recruit.isu.co.kr | 15 |
| www.isu.co.kr | 13 |
| const.isu.co.kr | 12 |
| gw.isu.co.kr | 5 |