What powers calcuttaclub.org?
Last seen Jun 2026 · 28 technologies across 14 categories
Authentication
Facebook Login
since Nov 2021
CDN
cdnjs
since Nov 2021
Cloudflare
since May 2022
Google Hosted Libraries
since Jan 2024
jQuery CDN
since Jun 2026
jsDelivr
since Nov 2021
CMS
Databases
MySQL
since Nov 2021
Font scripts
Google Font API
since Mar 2026
Twitter Emoji (Twemoji)
since Nov 2021
JavaScript libraries
Miscellaneous
HTTP/3
since Dec 2025
Prefix-Free
since Nov 2021
Operating systems
Windows Server
since Nov 2021
Programming languages
PHP
since Nov 2021
UI frameworks
Web frameworks
Web servers
Webmail
Microsoft 365
since Aug 2022
WordPress plugins
Audience
- 70% desktop
- 30% phone
India
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
1.08 / 10 · ranked #11,347,611 of all domains
4 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.3 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 500 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: English
- Weight: 0.4 MB · 17 requests
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| www.calcuttaclub.org | 21 |
| mem.calcuttaclub.org | 13 |
Full technology history →
Report an incorrect detection
Recent changes
- detected jQuery CDN Jun 2026
- detected jQuery UI Jun 2026
- dropped HSTS May 2026
- dropped Ionicons Apr 2026
- detected Google Font API Mar 2026
- dropped Plesk Mar 2026
- detected HSTS Dec 2025
- detected HTTP/3 Dec 2025
- detected LiteSpeed Dec 2025
- detected Twitter Emoji (Twemoji) Dec 2025