Technology history for 21bs.ru
Stack size over time
From 6 detected technologies in Feb 2024 to 11 in Apr 2026.
Currently detected
- Open Journal Systems since Feb 2024
- PHP since Feb 2024
- jQuery UI since Feb 2024
- jQuery since Feb 2024
- RSS since Feb 2024
- OpenSSL since May 2024
- Apache HTTP Server since May 2024
- CentOS since May 2024
- mod_wsgi since May 2024
- Python since May 2024
- HSTS since Dec 2025
Previously used
- Nginx Feb 2024 to Apr 2024 · 2 mo