What powers 4b.ru?
Last seen Jun 2026 · 17 technologies across 13 categories
Analytics
Yandex.Metrika
since Nov 2022
Authentication
NextAuth.js
since Dec 2024
Ecommerce
Cart Functionality
since Nov 2022
Hosting
REG.RU
since Sep 2024
JavaScript frameworks
Next.js App Router
since Dec 2024
React
since Nov 2022
Live chat
WhatsApp Business Chat
since Apr 2023
Miscellaneous
Open Graph
since Dec 2024
Webpack
since Nov 2022
Operating systems
Ubuntu
since Nov 2022
Performance
Priority Hints
since May 2025
Programming languages
Node.js
since Nov 2022
Security
reCAPTCHA
since Jan 2025
UI frameworks
Tailwind CSS
since Dec 2024
Web servers
Audience
Russia
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
0.13 / 10 · ranked #83,617,112 of all domains
1 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2 s |
| INP | 175 ms |
| CLS | 0 |
| TTFB | 800 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Russian
- Weight: 9.0 MB · 182 requests
- Structured data: OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.