What powers 
sisafocus.co.kr?
Last seen Sep 2026 · 14 technologies across 8 categories
Advertising
Google AdSense
since Mar 2021
Analytics
Google Analytics
since Jun 2018
Naver Analytics
since Feb 2022
JavaScript libraries
Miscellaneous
Open Graph
since Sep 2022
Programming languages
UI frameworks
Web servers
Nginx
since Mar 2021
Widgets
Wheelio
since Sep 2021
AI Crawlers
Doesn't mention any of the 33 AI crawlers we track in its robots.txt; all are allowed by default. Checked Oct 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 56% phone
- 44% desktop
South Korea
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.98 / 10 · ranked #583,458 of all domains
82 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.3 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: Korean
- Weight: 3.9 MB · 107 requests
- Structured data: OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Hosted on NBPAP-AS-AP NAVER BUSINESS PLATFORM ASIA PACIFIC PTE. LTD. (49.50.168.116)
- Email: no MX record returned
- Email security: SPF (soft fail), DMARC monitor only
- SSL: Let's Encrypt, RSA 4096, expires Dec 2026
- Common Crawl link graph: rank 1,191,568, 3 hosts
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| slv.sisafocus.co.kr | 11 |
| www.sisafocus.co.kr | 11 |