What powers coolmessenger.com?
Last seen Jun 2026 · 20 technologies across 12 categories
Analytics
Google Analytics
since Aug 2018
Naver Analytics
since Jan 2023
CDN
Amazon CloudFront
since Jan 2026
Amazon S3
since Jan 2026
Font scripts
Google Font API
since Jan 2023
JavaScript frameworks
JavaScript libraries
Live chat
Channel.io
since Jan 2023
Miscellaneous
Open Graph
since Jan 2023
Popper
since Jan 2023
PaaS
Amazon Web Services
since Jan 2026
Programming languages
UI frameworks
Web frameworks
CodeIgniter
since Jan 2023
Web servers
Audience
- 100% desktop
South Korea
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
1.53 / 10 · ranked #6,211,083 of all domains
5 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.9 s |
| INP | 25 ms |
| CLS | 0.05 |
| TTFB | 200 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: English
- CDN: Amazon CloudFront
- Weight: 0.3 MB · 5 requests
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| www.coolmessenger.com | 15 |
| school.coolmessenger.com | 12 |
| alimiview.coolmessenger.com | 3 |
Full technology history →
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Recent changes
- dropped Apache HTTP Server Apr 2026
- dropped CentOS Apr 2026
- dropped Google Tag Manager Apr 2026