What powers century21.ru?
Last seen Jun 2026 · 52 technologies across 18 categories
A/B Testing
Google Optimize
since Nov 2022
Analytics
CDN
Amazon CloudFront
since Nov 2022
Cloudinary
since Nov 2022
jQuery CDN
since Jul 2023
Unpkg
since Nov 2023
Font scripts
Google Font API
since Nov 2022
Issue trackers
JavaScript frameworks
JavaScript graphics
JavaScript libraries
Axios
since Jul 2021
FilePond
since Dec 2022
Isotope
since Jul 2022
Laravel Echo
since Jun 2023
Swiper
since Dec 2022
Live chat
WhatsApp Business Chat
since Nov 2023
LMS
Moodle
since Jul 2022
Miscellaneous
PaaS
Amazon Web Services
since Nov 2022
Programming languages
Security
HSTS
since Nov 2022
UI frameworks
Tailwind CSS
since Nov 2023
Video players
VideoJS
since Jul 2022
Web frameworks
Web servers
Audience
- 75% phone
- 25% desktop
Russia
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
2.51 / 10 · ranked #2,470,118 of all domains
39 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.9 s |
| INP | 125 ms |
| CLS | 0 |
| TTFB | 1900 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Russian
- Weight: 44.8 MB · 116 requests
- Structured data: OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| 21online.century21.ru | 24 |
| www.century21.ru | 23 |
| famillyplusquis.century21.ru | 16 |
| edu.century21.ru | 15 |
| mail.century21.ru | 6 |