What powers celkau.in?
Last seen Jun 2026 · 21 technologies across 16 categories
CDN
jsDelivr
since Sep 2025
Font scripts
Google Font API
since Jun 2020
JavaScript frameworks
JavaScript graphics
MathJax
since Sep 2025
JavaScript libraries
Live chat
WhatsApp Business Chat
since Sep 2025
LMS
Moodle
since Jun 2020
Load balancers
Miscellaneous
Open Graph
since Sep 2025
Operating systems
Ubuntu
since Sep 2025
Windows Server
since Jan 2019
Programming languages
UI frameworks
Video players
Web frameworks
Microsoft ASP.NET
since Jan 2019
Web servers
Webmail
Google Workspace
since Aug 2022
Audience
- 79% phone
- 21% desktop
India
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
2.97 / 10 · ranked #1,647,128 of all domains
24 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.2 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 400 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: English
- Weight: 5.3 MB · 58 requests
- Structured data: OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| celkau.in | 12 |
| portal.celkau.in | 12 |
| www.celkau.in | 12 |
| moodle.celkau.in | 11 |
Full technology history →
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Recent changes
- dropped Google Analytics Dec 2025
- dropped jQuery CDN Dec 2025
- dropped Statcounter Dec 2025
- dropped Babel Oct 2025
- dropped CentOS Oct 2025
- dropped LazySizes Oct 2025
- dropped OpenSSL Oct 2025
- detected MathJax Sep 2025
- detected Ubuntu Sep 2025