What powers sandan.or.kr?
Last seen Aug 2026 · 11 technologies across 7 categories
CDN
cdnjs
since Aug 2025
Cloudflare
since Aug 2025
CMS
Gnuboard
since Aug 2025
Databases
MySQL
since Aug 2025
Font scripts
Font Awesome
since Aug 2025
Google Font API
since Aug 2025
JavaScript libraries
Miscellaneous
Open Graph
since Aug 2025
Programming languages
PHP
since Aug 2025
AI Crawlers
Blocks all crawlers by default in robots.txt (User-agent: *). Checked Oct 2026.
- robots.txt found
- llms.txt not checked
- ai.txt not checked
AI Crawlers
All crawlers blocked
Audience
South Korea
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
0.89 / 10 · ranked #14,866,351 of all domains
4 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.7 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 200 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: Korean
- Weight: 115.4 MB · 134 requests
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Hosted on GTP-AS-KR Gyeonggi Technopark (218.38.243.28)
- DNS: Cafe24
- Email: Cafe24
- Email security: no SPF record, no DMARC record
- SSL: Let's Encrypt, ECDSA P256, expires Dec 2026
- Common Crawl link graph: rank 37,842,986, 2 hosts
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Full technology history →
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Recent changes
- dropped jsDelivr Aug 2026