What powers gkb39.ru?
Last seen Sep 2026 · 7 technologies across 4 categories
AI Crawlers
Doesn't name any of the 33 AI crawlers we track in its robots.txt. Catch-all rules (User-agent: *) restrict some paths for every crawler, AI or not. Checked Oct 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 100% phone
Russia
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
0.98 / 10 · ranked #12,912,426 of all domains
6 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.4 s |
| INP | 100 ms |
| CLS | 0 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: English
- Weight: 0.3 MB · 56 requests
- Structured data: Microdata, OpenGraph
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Hosted on DDoS-Guard (185.215.4.57)
- DNS: nic.ru
- Email: Yandex 360
- Email security: no SPF record, no DMARC record
- SSL: Let's Encrypt, RSA 2048, expires Nov 2026
- Common Crawl link graph: rank 7,739,573, 3 hosts
DNS records as swept Oct 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| gkb39.ru | 7 |
| www.gkb39.ru | 1 |
Full technology history →
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Recent changes
- detected Hammer.js Aug 2026
- detected jQuery Aug 2026
- detected Open Graph Aug 2026
- detected ResponsiveVoice Aug 2026
- detected RSS Aug 2026
- detected Tilda Aug 2026