What powers celsys.com?
Last seen Jun 2026 · 21 technologies across 14 categories
Advertising
Twitter Ads
since Oct 2022
Analytics
Authentication
Facebook Login
since Oct 2022
CDN
Cloudflare
since Mar 2025
jsDelivr
since Oct 2022
CRM
Salesforce
since Aug 2025
Font scripts
Google Font API
since Oct 2022
JavaScript libraries
Miscellaneous
Open Graph
since Oct 2022
RSS
since Dec 2022
PaaS
Amazon Web Services
since Oct 2022
Programming languages
Java
since May 2025
Security
Web servers
Nginx
since Oct 2022
Webmail
Apple iCloud Mail
since May 2026
Google Workspace
since Oct 2022
Widgets
Twitter
since Oct 2022
Audience
- 48% phone
- 43% desktop
- 8% tablet
Japan
Malaysia
India
United Kingdom
Brazil
France
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
4.54 / 10 · ranked #395,041 of all domains
81 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.5 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 900 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Japanese
- Weight: 7.6 MB · 67 requests
- Structured data: OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| www.celsys.com | 19 |
| support.celsys.com | 7 |
Full technology history →
Report an incorrect detection
Recent changes
- detected Apple iCloud Mail May 2026
- detected Cloudflare May 2026
- detected Cloudflare Bot Management May 2026
- dropped Cloudflare Apr 2026
- dropped Cloudflare Bot Management Apr 2026
- detected Cloudflare Feb 2026
- detected Cloudflare Bot Management Feb 2026
- dropped Cloudflare Nov 2025
- dropped Cloudflare Bot Management Nov 2025
- detected Salesforce Aug 2025