What powers krcalculator.com?
Last seen Sep 2026 · 35 technologies across 13 categories
Advertising
Analytics
CDN
Cookie compliance
Font scripts
JavaScript libraries
Miscellaneous
PaaS
Performance
Security
Segmentation
Tag managers
UI frameworks
AI Crawlers
Doesn't mention any of the 33 AI crawlers we track in its robots.txt; all are allowed by default. Checked Sep 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 69% desktop
- 31% phone
South Korea
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
2.11 / 10 · ranked #3,297,373 of all domains
8 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.7 s |
| INP | 75 ms |
| CLS | 0.05 |
| TTFB | 200 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: Korean
- CDN: BunnyCDN
- Weight: 2.1 MB · 265 requests
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Oct 2026.
Organisation
- KRCalculator.com
From the homepage's own structured data (Oct 2026).
Infrastructure
- Hosted on CDN77 (79.127.243.187, IPv6)
- DNS: Cloudflare DNS
- Email: no MX record returned, SPF names Cloudflare Email Routing
- Email security: SPF (soft fail)
- SSL: Let's Encrypt, RSA 2048, expires Nov 2026
- Common Crawl link graph: rank 30,371,515
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Full technology history →
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Recent changes
- detected Priority Hints Aug 2026
- detected Cloudflare Bot Management May 2026
- dropped PubMatic May 2026
- dropped Cloudflare Browser Insights Mar 2026
- dropped HTTP/3 Mar 2026
- dropped Bunny Nov 2025