What powers usfeu.ru?
Last seen Aug 2026 · 41 technologies across 18 categories
Analytics
Google Analytics
since Aug 2018
Liveinternet
since Aug 2018
VK Pixel
since Nov 2021
Yandex.Metrika
since Jun 2018
CDN
cdnjs
since Mar 2024
Cloudflare
since May 2022
CMS
Databases
MySQL
since Oct 2021
Font scripts
Google Font API
since May 2018
Twitter Emoji (Twemoji)
since Oct 2021
JavaScript frameworks
JavaScript libraries
Live chat
WhatsApp Business Chat
since May 2022
LMS
Moodle
since Jul 2020
Miscellaneous
Operating systems
Ubuntu
since May 2019
Programming languages
Security
Cloudflare Bot Management
since May 2022
HSTS
since Sep 2022
UI frameworks
Bootstrap
since Jan 2019
Video players
Web frameworks
Yii
since Apr 2024
Web servers
Nginx
since May 2019
Widgets
AI Crawlers
Doesn't mention any of the 33 AI crawlers we track in its robots.txt; all are allowed by default. Checked Sep 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
- Sep 2026 * removed from robots.txt
- Aug 2026 robots.txt appeared
- Aug 2026 * added to robots.txt
AI Crawlers
No AI crawlers blocked
Audience
- 87% phone
- 13% desktop
Russia
Germany
Netherlands
United States
Bangladesh
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.53 / 10 · ranked #859,067 of all domains
107 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.5 s |
| INP | 100 ms |
| CLS | 0 |
| TTFB | 1100 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Weight: 2.5 MB · 93 requests
- Structured data: Microdata
Homepage as crawled by the HTTP Archive, Aug 2026.
Subdomains
| Host | Techs |
|---|---|
| lib.usfeu.ru | 18 |
| dpo.usfeu.ru | 11 |
| elar.usfeu.ru | 11 |
| lmsstudy.usfeu.ru | 11 |
| lk.usfeu.ru | 10 |
| usfeu.ru | 10 |
| lmspk.usfeu.ru | 9 |
| catalog.usfeu.ru | 6 |
| www.usfeu.ru | 5 |