What powers percent.ac?
Last seen Jun 2026 · 27 technologies across 15 categories
Analytics
Google Analytics
since Dec 2020
Naver Analytics
since Jul 2023
CDN
Ecommerce
Imweb
since Jul 2023
Font scripts
Font Awesome
since Dec 2020
JavaScript libraries
Miscellaneous
Open Graph
since Sep 2022
PaaS
Amazon Web Services
since Dec 2022
Rich text editors
RUM
Datadog
since Jan 2026
Security
HSTS
since Dec 2022
Tag managers
Google Tag Manager
since Dec 2020
UI frameworks
Video players
YouTube
since Jul 2023
Web servers
Nginx
since Dec 2020
Webmail
Google Workspace
since Aug 2022
Audience
South Korea
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
1.71 / 10 · ranked #4,924,306 of all domains
14 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.8 s |
| INP | 25 ms |
| CLS | 0.1 |
| TTFB | 200 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Korean
- CDN: Fastly
- Weight: 6.6 MB · 54 requests
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| percent.ac | 24 |
| classroom.percent.ac | 5 |
Full technology history →
Report an incorrect detection
Recent changes
- dropped Cloudflare Bot Management May 2026
- dropped Sentry May 2026
- dropped Vimeo May 2026
- dropped Vue.js Mar 2026
- detected Datadog Jan 2026