What powers astro21.ru?
Last seen Jun 2026 · 35 technologies across 15 categories
Analytics
Yandex.Metrika
since Feb 2021
CMS
Databases
MySQL
since Apr 2019
Font scripts
Font Awesome
since Apr 2019
Google Font API
since Apr 2019
JavaScript libraries
Miscellaneous
Open Graph
since Sep 2022
RSS
since Dec 2022
Operating systems
Debian
since Feb 2024
Performance
Priority Hints
since Feb 2024
Programming languages
PHP
since Apr 2019
Security
DDoS-Guard
since Apr 2026
HSTS
since Jul 2025
Really Simple SSL & Security
since Apr 2024
Variti
since Oct 2022
UI frameworks
Bootstrap
since Apr 2019
Video players
YouTube
since Jan 2024
Web servers
Nginx
since Apr 2021
WordPress plugins
RankMath SEO
since Nov 2022
SiteOrigin Page Builder
since Feb 2022
SiteOrigin Widgets Bundle
since Feb 2022
WordPress Super Cache
since Aug 2020
WP-PageNavi
since Feb 2022
WordPress themes
aThemes Sydney
since Feb 2022
Audience
- 67% phone
- 32% desktop
Russia
Belarus
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
0.19 / 10 · ranked #77,740,767 of all domains
1 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.9 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 1400 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Russian (Russia)
- Weight: 1.5 MB · 69 requests
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| astro21.ru | 28 |
| webinars.astro21.ru | 10 |
Full technology history →
Report an incorrect detection
Recent changes
- dropped Cloudflare Apr 2026
- dropped Cloudflare Bot Management Apr 2026
- detected DDoS-Guard Apr 2026
- dropped Vimeo Apr 2026
- detected Cloudflare Feb 2026
- detected Cloudflare Bot Management Feb 2026
- detected Vimeo Feb 2026