What powers circlek.com.vn?
Last seen Jun 2026 · 43 technologies across 22 categories
Analytics
Cloudflare Browser Insights
since Sep 2024
Google Analytics
since Jan 2019
Authentication
Facebook Login
since Jul 2021
Caching
WordPress Super Cache
since Jan 2019
CDN
cdnjs
since Nov 2022
Cloudflare
since Nov 2022
CMS
Databases
MySQL
since Jan 2019
Documentation
Zendesk
since Aug 2022
Mailjet
since Mar 2025
Font scripts
Font Awesome
since Jan 2019
Google Font API
since Jan 2019
JavaScript frameworks
JavaScript libraries
LMS
Moodle
since Oct 2022
Maps
Google Maps
since Jan 2019
Miscellaneous
Babel
since Oct 2022
HTTP/3
since Jul 2024
Open Graph
since Sep 2022
RSS
since Dec 2022
Swiper Slider
since Mar 2020
Operating systems
Windows Server
since Nov 2021
Programming languages
UI frameworks
Bootstrap
since Jan 2019
Video players
VideoJS
since Oct 2022
Web servers
Webmail
Apple iCloud Mail
since Oct 2023
Widgets
Facebook
since Jan 2019
WordPress plugins
Audience
- 67% phone
- 33% desktop
Vietnam
Hong Kong SAR China
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
3.26 / 10 · ranked #1,175,846 of all domains
19 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.6 s |
| INP | 75 ms |
| CLS | 0.05 |
| TTFB | 600 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Vietnamese
- CDN: Cloudflare
- Weight: 9.0 MB · 221 requests
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| www.circlek.com.vn | 27 |
| ckgo.circlek.com.vn | 22 |
| delivery.circlek.com.vn | 15 |
| elearning.circlek.com.vn | 12 |