What powers kkfb4.com?
Last seen Jun 2026 · 13 technologies across 7 categories
CDN
cdnjs
since Oct 2025
Cloudflare
since Oct 2025
Issue trackers
JavaScript frameworks
React
since Oct 2025
JavaScript libraries
Miscellaneous
Performance
Priority Hints
since Oct 2025
Security
HSTS
since Sep 2025
Audience
- 100% phone
Bangladesh
Countries where the site has Chrome traffic, strongest markets first.
Core Web Vitals
| LCP | 2.5 s |
| INP | 250 ms |
| CLS | 0.15 |
| TTFB | 500 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Bangla
- Weight: 4.1 MB · 101 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Jul 2026.
Full technology history →
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Recent changes
- dropped Firebase Jan 2026
- dropped jsDelivr Jan 2026
- dropped Priority Hints Jan 2026
- detected PubSubJS Jan 2026
- detected PWA Jan 2026
- dropped reCAPTCHA Jan 2026
- dropped Swiper Jan 2026
- dropped Vue.js Jan 2026
- dropped cdnjs Dec 2025
- dropped Cloudflare Dec 2025
- dropped PubSubJS Dec 2025
- dropped PWA Dec 2025
- dropped React Dec 2025
- dropped Sentry Dec 2025
- detected Firebase Nov 2025
- detected reCAPTCHA Nov 2025
- detected Swiper Nov 2025
- detected Vue.js Nov 2025
- detected cdnjs Oct 2025
- detected Cloudflare Oct 2025
- detected jsDelivr Oct 2025
- detected Priority Hints Oct 2025
- detected React Oct 2025
- detected Sentry Oct 2025