What powers 
praesens.ru?
Last seen Sep 2026 · 30 technologies across 15 categories
Analytics
CDN
CMS
Font scripts
JavaScript frameworks
JavaScript libraries
Live chat
Maps
Miscellaneous
Programming languages
Rich text editors
Security
UI frameworks
Video players
Web servers
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
- 77% phone
- 23% desktop
Russia
Belarus
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
4.04 / 10 · ranked #538,215 of all domains
114 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.3 s |
| INP | 100 ms |
| CLS | 0 |
| TTFB | 900 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: Russian
- Weight: 9.8 MB · 218 requests
Homepage as crawled by the HTTP Archive, Oct 2026.
Infrastructure
- Hosted on CLOUDRU-AS (213.171.29.109)
- DNS: Beget
- Email: Yandex 360
- Email security: SPF, no DMARC record
- SSL: Let's Encrypt, ECDSA P256, expires Oct 2026
- Common Crawl link graph: rank 583,419, 9 hosts
- Verified with: Google, Microsoft 365
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| praesens.ru | 19 |
| sochi.praesens.ru | 8 |
| lk.praesens.ru | 7 |
Full technology history →
Report an incorrect detection
Recent changes
- dropped core-js Sep 2026
- dropped React Sep 2026
- dropped Sentry Sep 2026
- dropped styled-components Sep 2026
- dropped Ubuntu Sep 2026
- detected VideoJS Jul 2026
- detected JivoChat May 2026
- detected Preact May 2026
- detected Unpkg May 2026
- dropped Babel Dec 2025
- dropped Google Font API Dec 2025
- detected Tailwind CSS Nov 2025