What powers rkf.online?
Last seen Aug 2026 · 27 technologies across 15 categories
Analytics
Yandex.Metrika
since Feb 2021
Blogs
Databases
MySQL
since Jul 2020
Font scripts
Google Font API
since Jul 2020
Issue trackers
Sentry
since Nov 2024
JavaScript frameworks
JavaScript graphics
amCharts
since Jun 2026
ApexCharts.js
since Jun 2026
JavaScript libraries
Swiper
since Oct 2023
Live chat
WhatsApp Business Chat
since Feb 2022
Miscellaneous
Operating systems
Ubuntu
since Jun 2020
Programming languages
PHP
since Jul 2020
Security
HSTS
since Jun 2025
UI frameworks
Web servers
Nginx
since Jun 2020
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 checked
- ai.txt not checked
AI Crawlers
No AI crawlers blocked
Audience
- 69% phone
- 31% desktop
Russia
Germany
Netherlands
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.47 / 10 · ranked #921,536 of all domains
41 referring domains · OpenPageRank
Core Web Vitals
| LCP | 4.2 s |
| INP | 225 ms |
| CLS | 0.2 |
| TTFB | 500 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Russian
- Weight: 13.1 MB · 135 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on CITYTELECOM-MSK (217.65.3.177)
- DNS: Beget
- Email: rkf.org.ru
- Email security: no SPF record, no DMARC record
- SSL: Let's Encrypt, RSA 2048, expires Nov 2026
- Common Crawl link graph: rank 1,059,884, 4 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| info.rkf.online | 12 |
| support.rkf.online | 11 |
| rkf.online | 10 |
| help.rkf.online | 3 |
Full technology history →
Report an incorrect detection
Recent changes
- dropped Lodash Jul 2026
- dropped PWA Jul 2026
- detected amCharts Jun 2026
- detected ApexCharts.js Jun 2026
- detected core-js Jun 2026
- detected DataTables Jun 2026
- detected Moment.js Jun 2026
- dropped JSS Mar 2026