What powers 21bs.ru?

Last seen Apr 2026 · 11 technologies across 8 categories

DMS

Open Journal Systems v2.4.8.1

since Feb 2024

JavaScript libraries

jQuery v1.4.4

since Feb 2024

jQuery UI v1.8.6

since Feb 2024

Miscellaneous

RSS

since Feb 2024

Operating systems

CentOS

since May 2024

Programming languages

PHP v5.6.40

since Feb 2024

Python v2.7.5

since May 2024

Security

HSTS

since Dec 2025

Web server extensions

mod_wsgi v3.4

since May 2024

OpenSSL v1.0.2k

since May 2024

Web servers

Apache HTTP Server v2.4.6

since May 2024

Open Page Rank

2.01 / 10 · ranked #3,549,974 of all domains

25 referring domains · OpenPageRank

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Recent changes

dropped Nginx Dec 2025

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