What powers nrf.re.kr?
Last seen Jun 2026 · 49 technologies across 16 categories
Analytics
Google Analytics
since May 2021
Naver Analytics
since Dec 2022
CDN
Font scripts
Bootstrap Icons
since May 2026
Font Awesome
since Aug 2018
JavaScript frameworks
JavaScript graphics
JavaScript libraries
AOS
since Feb 2024
Axios
since Jan 2022
OWL Carousel
since Sep 2022
Select2
since Jul 2025
Slick
since Jan 2021
SweetAlert2
since Jul 2025
Swiper
since Sep 2022
Miscellaneous
Babel
since Jan 2022
Open Graph
since Sep 2022
Popper
since Jul 2025
Swiper Slider
since Apr 2020
Vite
since May 2026
Operating Systems
Windows Server
since May 2019
Programming languages
C
since Feb 2023
Java
since Aug 2021
Node.js
since May 2026
PHP
since Sep 2020
TypeScript
since Dec 2022
Rich text editors
Security
HSTS
since Sep 2022
UI frameworks
Video players
VideoJS
since Mar 2026
Web Frameworks
CodeIgniter
since Sep 2020
Microsoft ASP.NET
since May 2019
Web Servers
Widgets
Top search keywords
| Keyword | Position | Est. monthly visits |
|---|---|---|
| irc 318 | #88 | 2 |
| rlrc | #28 | 0 |
| nrf pdf | #42 | 0 |
The site's top keywords in Google (US), with the visits each one is estimated to bring per month.
Top backlinks
Top links pointing at the site, one per source domain, strongest first. The anchor text opens the page carrying the link.
Audience
- 97% desktop
- 3% phone
South Korea
United States
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
7.02 / 10 · ranked #40,047 of all domains
570 referring domains · OpenPageRank
Search traffic
2 est. monthly organic visits (US)
3 keywords in Google's top 30
Core Web Vitals
| LCP | 0.8 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 100 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Korean
- Weight: 0.8 MB · 18 requests
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| www.nrf.re.kr | 20 |
| nrf.re.kr | 16 |
| coss.nrf.re.kr | 10 |
| webmail.nrf.re.kr | 10 |
| cre.nrf.re.kr | 9 |
| lincplus.nrf.re.kr | 9 |
| plan.nrf.re.kr | 9 |
| astra.nrf.re.kr | 8 |
| krd.nrf.re.kr | 8 |
| webzine.nrf.re.kr | 8 |
| visit.nrf.re.kr | 7 |
| hk.nrf.re.kr | 6 |
| uniall.nrf.re.kr | 6 |
| ecm.nrf.re.kr | 5 |
| inmunlove.nrf.re.kr | 5 |
| bk21four.nrf.re.kr | 4 |
| degree.nrf.re.kr | 4 |
| dr.nrf.re.kr | 4 |
| rnd.nrf.re.kr | 4 |
| big.nrf.re.kr | 3 |
| bkplus.nrf.re.kr | 3 |
| capstone.nrf.re.kr | 3 |
| ernd.nrf.re.kr | 3 |
| krs.nrf.re.kr | 3 |