What powers academy21.ru?
Last seen Jun 2026 · 31 technologies across 16 categories
Analytics
CDN
Google Hosted Libraries
since Mar 2023
CMS
DataLife Engine
since Aug 2018
Databases
MariaDB
since Aug 2024
Editors
Font scripts
Font Awesome
since Mar 2023
JavaScript frameworks
JavaScript libraries
LMS
Moodle
since Jan 2019
Miscellaneous
Open Graph
since Mar 2023
RSS
since Jan 2023
Operating systems
CentOS
since Jan 2019
Programming languages
Security
HSTS
since Sep 2022
UI frameworks
Web frameworks
Web servers
Audience
- 90% phone
- 10% desktop
Russia
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
2.44 / 10 · ranked #2,598,267 of all domains
43 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.5 s |
| INP | 325 ms |
| CLS | 0 |
| TTFB | 400 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Weight: 0.3 MB · 22 requests
- Structured data: Microdata
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| academy21.ru | 12 |
| pk.academy21.ru | 10 |
| www.academy21.ru | 10 |
| eis.academy21.ru | 9 |
| sdo.academy21.ru | 5 |
| raspis.academy21.ru | 2 |
| anketa.academy21.ru | 1 |
| fizikon1.academy21.ru | 1 |
Full technology history →
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Recent changes
- dropped Fourthwall Sep 2025