What powers zfour.in?
Last seen Aug 2026 · 19 technologies across 13 categories
Analytics
Microsoft Clarity
since Aug 2026
Development
Turbopack
since Jul 2026
Ecommerce
Cart Functionality
since Jul 2026
Hosting
Hostinger
since Jul 2026
JavaScript frameworks
JavaScript libraries
Live chat
WhatsApp Business Chat
since Jun 2025
Miscellaneous
Operating systems
Ubuntu
since Jul 2026
Performance
Priority Hints
since Jun 2025
Programming languages
Node.js
since Jul 2026
UI frameworks
Radix UI
since Jul 2026
Tailwind CSS
since Jul 2026
Web servers
AI Crawlers
Doesn't name any of the 33 AI crawlers we track in its robots.txt. Catch-all rules (User-agent: *) restrict some paths for every crawler, AI or not. Checked Aug 2026.
- robots.txt found
- llms.txt found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Standards: llms.txt
Audience
- 78% desktop
- 22% phone
India
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
2.55 / 10 · ranked #2,400,050 of all domains
5 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.1 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 1000 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: English (India)
- Weight: 0.9 MB · 73 requests
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Aug 2026.
Full technology history →
Report an incorrect detection
Recent changes
- dropped Bootstrap Aug 2026
- dropped core-js Aug 2026
- dropped Facebook Pixel Aug 2026
- dropped Google Analytics Aug 2026
- dropped Google Cloud Aug 2026
- dropped Google Cloud CDN Aug 2026
- dropped HSTS Aug 2026
- dropped HTTP/3 Aug 2026
- detected Lenis Aug 2026
- dropped Lodash Aug 2026
- detected Microsoft Clarity Aug 2026
- dropped RequireJS Aug 2026
- dropped RSS Aug 2026
- dropped Sentry Aug 2026
- dropped Wix Aug 2026
- dropped Wix eCommerce Aug 2026
- detected Cart Functionality Jul 2026
- detected Hostinger Jul 2026
- detected Next.js Jul 2026
- detected Next.js App Router Jul 2026
- detected Nginx Jul 2026
- detected Node.js Jul 2026
- detected Priority Hints Jul 2026
- detected Radix UI Jul 2026
- detected Tailwind CSS Jul 2026
- detected Turbopack Jul 2026
- detected Ubuntu Jul 2026
- detected Webpack Jul 2026
- detected WhatsApp Business Chat Jul 2026
- dropped LiveChat Jan 2026
- dropped WhatsApp Business Chat Jan 2026
- dropped Priority Hints Nov 2025