What powers 
rcsi.science?
Last seen Oct 2026 · 34 technologies across 16 categories
Analytics
CDN
CMS
Font scripts
JavaScript frameworks
JavaScript graphics
JavaScript libraries
Miscellaneous
Operating systems
Programming languages
Rich text editors
Security
UI frameworks
Web frameworks
Web server extensions
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
- Oct 2026 bytespider removed from robots.txt
- Oct 2026 ccbot removed from robots.txt
- Oct 2026 claudebot removed from robots.txt
- Oct 2026 gptbot removed from robots.txt
- Oct 2026 gptbot added to robots.txt
- Oct 2026 claudebot added to robots.txt
AI Crawlers
No AI crawlers blocked
Audience
- 82% desktop
- 18% phone
Russia
United States
India
France
Italy
Indonesia
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
7.11 / 10 · ranked #33,016 of all domains
1,097 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.5 s |
| INP | 25 ms |
| CLS | 0 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: Russian
- Weight: 0.9 MB · 34 requests
- Structured data: Microdata, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Oct 2026.
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rgo.ru 3 shared1gb.ru 3 shared
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Closest technology stacks among the highest-authority sites we track; "shared" counts the distinctive technologies in common.
Organisation
- Astronomy Letters
- Founded: 1994
From Wikidata (CC0).
Infrastructure
- Hosted on RCSI-ASN (193.233.79.172)
- DNS: rfbr.ru
- Email: rcsi.science
- Email security: SPF (soft fail), no DMARC record
- SSL: GlobalSign, RSA 2048, wildcard, expires Apr 2027
- Common Crawl link graph: rank 478,396, 13 hosts
- Verified with: GlobalSign
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| www.rcsi.science | 14 |
| rcsi.science | 13 |
| journals.rcsi.science | 12 |
| data.rcsi.science | 11 |
| journalrank.rcsi.science | 10 |
| podpiska.rcsi.science | 9 |
| metafora.rcsi.science | 7 |
Full technology history →
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Recent changes
- dropped Google Analytics Sep 2026
- dropped reCAPTCHA Sep 2026
- dropped VK Pixel Sep 2026
- dropped CentOS Jul 2026
- detected Django Jul 2026
- detected Google Analytics Jul 2026
- detected HSTS Jul 2026
- detected jQuery Migrate Jul 2026
- detected jQuery UI Jul 2026
- detected jsDelivr Jul 2026
- detected MathJax Jul 2026
- dropped Open Journal Systems Jul 2026
- detected OWL Carousel Jul 2026
- dropped Polyfill Jul 2026
- detected PWA Jul 2026
- detected Python Jul 2026
- detected reCAPTCHA Jul 2026
- detected Select2 Jul 2026
- detected Splide Jul 2026
- detected TinyMCE Jul 2026
- detected toastr Jul 2026
- detected Ubuntu Jul 2026
- detected Underscore.js Jul 2026
- detected VK Pixel Jul 2026