What powers primer.kr?
Last seen Jun 2026 · 41 technologies across 19 categories
Analytics
CDN
Google Workspace
since Aug 2022
Font scripts
Google Font API
since Apr 2019
Issue trackers
Sentry
since Aug 2025
JavaScript Frameworks
React
since Aug 2025
JavaScript Libraries
Marketing automation
MailChimp
since Aug 2022
Miscellaneous
Open Graph
since Sep 2022
RSS
since May 2026
Mobile Frameworks
jQuery-pjax
since Apr 2019
PaaS
Amazon Web Services
since Apr 2019
Performance
Turbo
since May 2023
Programming languages
Ruby
since Jun 2021
Rich Text Editors
Security
HSTS
since Sep 2022
Tag managers
Google Tag Manager
since Feb 2023
Web frameworks
Ruby on Rails
since Jun 2021
Web Server Extensions
Web Servers
Audience
- 77% desktop
- 23% phone
South Korea
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
2.97 / 10 · ranked #1,640,259 of all domains
32 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.8 s |
| INP | 25 ms |
| CLS | 0 |
| TTFB | 700 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: English
- Weight: 4.4 MB · 120 requests
- Structured data: OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| apply.primer.kr | 20 |
| hack.primer.kr | 18 |
| www.primer.kr | 15 |
| primer.kr | 14 |
| main.primer.kr | 13 |
Full technology history →
Report an incorrect detection
Recent changes
- dropped Prism May 2026
- detected RSS May 2026
- dropped RackCache Apr 2026
- dropped Amazon CloudFront Mar 2026
- dropped Amazon S3 Mar 2026
- dropped Cowboy Mar 2026
- dropped Erlang Mar 2026
- dropped Heroku Mar 2026
- dropped jQuery CDN Mar 2026
- dropped Swiper Mar 2026
- detected decimal.js Oct 2025