What powers obr.so?
Last seen Jun 2026 · 38 technologies across 16 categories
Analytics
Authentication
Facebook Login
since Jul 2021
CDN
cdnjs
since Apr 2024
Cloudflare
since Apr 2024
jQuery CDN
since Dec 2023
jsDelivr
since Jun 2021
Unpkg
since Apr 2024
CMS
Databases
MySQL
since Jun 2021
Font scripts
Google Font API
since Apr 2024
JavaScript frameworks
JavaScript libraries
Miscellaneous
Operating systems
Ubuntu
since Dec 2023
Programming languages
Security
DDoS-Guard
since Feb 2025
HSTS
since Sep 2022
Tag managers
Google Tag Manager
since Jul 2021
UI frameworks
Video players
YouTube
since Jul 2023
Web servers
Nginx
since Jun 2021
Audience
- 60% phone
- 40% desktop
Russia
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
3.92 / 10 · ranked #632,982 of all domains
55 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.5 s |
| INP | 75 ms |
| CLS | 0.1 |
| TTFB | 600 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Weight: 14.2 MB · 240 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| 8.obr.so | 17 |
| old.obr.so | 15 |
| viktorina.obr.so | 14 |
| innovator.obr.so | 12 |
| grant.obr.so | 11 |
| obr.so | 11 |
Full technology history →
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Recent changes
- dropped Element UI Oct 2025