What powers ac2.kr?
Last seen Oct 2026 · 15 technologies across 10 categories
Analytics
Google Analytics
since Aug 2022
Development
JavaScript frameworks
JavaScript libraries
Miscellaneous
Open Graph
since Nov 2022
Webpack
since Mar 2026
PaaS
Vercel
since Oct 2026
Page builders
Performance
Priority Hints
since Oct 2026
Programming languages
Node.js
since Mar 2026
Security
HSTS
since Mar 2026
AI Crawlers
No robots.txt, so all AI crawlers are allowed by default. Checked Oct 2026.
- robots.txt not found
- llms.txt not found
- ai.txt not found
- Oct 2026 * removed from robots.txt
- Sep 2026 robots.txt removed
AI Crawlers
No robots.txt, all AI crawlers allowed
Open Page Rank
1.45 / 10 · ranked #6,956,255 of all domains
7 referring domains · OpenPageRank
Page
- Language: Korean
- CDN: Vercel
- Weight: 6.2 MB · 21 requests
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Hosted on Amazon Web Services (216.198.79.1)
- DNS: hosting.co.kr
- Email: Google Workspace
- Email security: no SPF record, no DMARC record
- SSL: Let's Encrypt, RSA 2048, expires Dec 2026
- Common Crawl link graph: rank 186,052, 2 hosts
- Verified with: Google
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Full technology history →
Report an incorrect detection
Recent changes
- detected core-js Oct 2026
- detected Facebook Pixel Oct 2026
- dropped Lodash Oct 2026
- detected Priority Hints Oct 2026
- detected Vercel Oct 2026
- dropped Google Font API Sep 2026
- dropped Google Sites Sep 2026
- dropped lit-element Sep 2026
- dropped lit-html Sep 2026