What powers grandbio.co.kr?
Last seen Sep 2026 · 21 technologies across 14 categories
Analytics
Google Analytics
since Dec 2022
CDN
cdnjs
since Sep 2022
Cloudflare
since Sep 2022
CMS
Gnuboard
since Jun 2026
Databases
MySQL
since Jun 2026
Font scripts
Font Awesome
since Sep 2022
Google Font API
since Sep 2022
JavaScript frameworks
JavaScript libraries
Miscellaneous
Open Graph
since Jun 2026
Operating systems
CentOS
since Sep 2022
Programming languages
PHP
since Sep 2022
UI frameworks
Web server extensions
Web servers
Webmail
Google Workspace
since Dec 2022
AI Crawlers
robots.txt could not be read at the last check (Sep 2026), so its policy is unknown.
- robots.txt not checked
- llms.txt not checked
- ai.txt not checked
AI Crawlers
Policy unknown
Audience
- 100% desktop
South Korea
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
0.95 / 10 · ranked #13,647,364 of all domains
4 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.6 s |
| INP | 25 ms |
| CLS | 0 |
| TTFB | 200 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: Korean
- Weight: 0.3 MB · 77 requests
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on Korea Telecom (222.122.39.25)
- DNS: Cafe24
- Email: Google Workspace
- Email security: SPF (soft fail), no DMARC record
- SSL: Let's Encrypt, RSA 2048, expires Nov 2026
- Common Crawl link graph: rank 25,330,015, 2 hosts
- Verified with: Google
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| www.grandbio.co.kr | 16 |
| grandbio.co.kr | 12 |
Full technology history →
Report an incorrect detection
Recent changes
- detected Gnuboard Jun 2026
- detected GSAP Jun 2026
- detected jQuery Migrate Jun 2026
- detected MySQL Jun 2026
- detected Open Graph Jun 2026
- detected Slick Jun 2026
- detected Swiper Jun 2026