What powers bl-tec.co.kr?
Last seen Oct 2026 · 13 technologies across 10 categories
Advertising
Google AdSense
since Jun 2022
Analytics
Google Analytics
since Jun 2022
Naver Analytics
since Jan 2023
Blogs
Blogger
since Aug 2024
CDN
Cloudflare
since Jun 2022
Cookie compliance
Funding Choices
since Jun 2023
Font scripts
Google Font API
since Nov 2022
Miscellaneous
Performance
Priority Hints
since Sep 2026
Programming languages
Python
since Aug 2024
Security
reCAPTCHA
since Jun 2022
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
- Sep 2026 *: Allowed (was Restricted)
AI Crawlers
No AI crawlers blocked
Audience
South Korea
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
0.22 / 10 · ranked #76,750,967 of all domains
0 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1 s |
| CLS | 0.1 |
| TTFB | 500 ms |
Real user p75, Chrome UX Report, Oct 2026.
Page
- Language: Korean
- CDN: Cloudflare
- Weight: 1.4 MB · 52 requests
- Structured data: OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Hosted on Cloudflare (104.21.84.186, IPv6)
- DNS: Cloudflare DNS
- Email: no MX record returned
- SSL: Google Trust Services, ECDSA P256, expires Dec 2026
- Common Crawl link graph: rank 60,523,930
- 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
- dropped Google Tag Manager Oct 2026
- detected Priority Hints Sep 2026
- dropped Cloudflare Browser Insights Apr 2026
- dropped Cloudflare Rocket Loader Apr 2026
- dropped Java Dec 2025
- dropped jsDelivr Dec 2025
- dropped OpenGSE Dec 2025