What powers rktk.org?
Last seen Aug 2026 · 13 technologies across 8 categories
CMS
Databases
MySQL
since Sep 2022
Font scripts
Google Font API
since Sep 2019
JavaScript libraries
Miscellaneous
Programming languages
PHP
since Jan 2019
UI frameworks
UIKit
since Mar 2025
Web servers
Apache HTTP Server
since Jan 2019
AI Crawlers
Blocks all crawlers by default in robots.txt (User-agent: *). Checked Sep 2026.
- robots.txt found
- llms.txt not checked
- ai.txt not checked
AI Crawlers
All crawlers blocked
Audience
- 94% phone
- 6% desktop
Russia
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
1.97 / 10 · ranked #3,666,817 of all domains
15 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.2 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 400 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Russian
- Weight: 4.3 MB · 63 requests
Homepage as crawled by the HTTP Archive, Sep 2026.
Infrastructure
- Hosted on RTCOMM-AS (81.177.174.185)
- DNS: 1gb.ru
- Email: Mail.ru
- Email security: SPF, no DMARC record
- SSL: Let's Encrypt, RSA 2048, expires Nov 2026
- Common Crawl link graph: rank 1,240,640, 2 hosts
- Verified with: Google, Mail.ru
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| distance.rktk.org | 8 |
| next.rktk.org | 7 |
| rktk.org | 7 |
| www.next.rktk.org | 7 |
| www.rktk.org | 7 |