What powers kolkatabook.in?
Last seen Jun 2026 · 15 technologies across 8 categories
CDN
Amazon CloudFront
since Mar 2024
Amazon S3
since Mar 2024
cdnjs
since Mar 2024
Cloudflare
since Mar 2024
Font scripts
JavaScript frameworks
JavaScript libraries
Miscellaneous
PaaS
Amazon Web Services
since Mar 2024
Programming languages
TypeScript
since Mar 2024
UI frameworks
Audience
- 100% phone
India
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
0.69 / 10 · ranked #19,894,660 of all domains
1 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.5 s |
| INP | 225 ms |
| CLS | 0.3 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: English
- CDN: Amazon CloudFront
- Weight: 42.0 MB · 169 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| kolkatabook.in | 15 |
| www.kolkatabook.in | 15 |