What powers ufn.ru?
Last seen Aug 2026 · 7 technologies across 5 categories
Analytics
JavaScript Frameworks
Miscellaneous
Operating systems
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 Sep 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
Top search keywords
| Keyword | Position | Est. monthly visits |
|---|---|---|
| pacs numbers | #2 | 28 |
| ufn | #9 | 15 |
| universe cosmic vacuum | #4 | 9 |
| oxide nitride | #5 | 8 |
| omori's law | #3 | 7 |
| microtron | #7 | 7 |
| complementarity physics | #47 | 6 |
| pacs codes | #2 | 6 |
| pacs codes | #2 | 6 |
| radio astron | #14 | 5 |
| t j model | #3 | 4 |
| pacs number | #7 | 4 |
| yuri oganessian | #42 | 3 |
| tj model | #4 | 3 |
| graphite melting temperature | #21 | 3 |
| hanle effect | #4 | 3 |
| debye radius | #55 | 3 |
| vladimir e zakharov | #9 | 2 |
| russian atomic bomb | #42 | 2 |
| schrdinger atom | #12 | 2 |
| schrodinger and heisenberg atomic model | #14 | 2 |
| omori law | #6 | 2 |
| yakov borisovich zeldovich | #9 | 1 |
| x-ray microscope | #16 | 1 |
| colloids science | #56 | 1 |
The site's top keywords in Google (US), with the visits each one is estimated to bring per month.
Top backlinks
Top links pointing at the site, one per source domain, strongest first. The anchor text opens the page carrying the link.
AI Crawlers
No AI crawlers blocked
Audience
- 73% desktop
- 27% phone
Russia
India
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
5.02 / 10 · ranked #244,095 of all domains
356 referring domains · OpenPageRank
Search traffic
160 est. monthly organic visits (US)
270 keywords in Google's top 30
Core Web Vitals
| LCP | 1.9 s |
| INP | 25 ms |
| CLS | 0 |
| TTFB | 1800 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Weight: 1.4 MB · 45 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
- Advances in Physical Sciences
- Founded: 1918
From Wikidata (CC0).
Infrastructure
- Hosted on ROSTELECOM-AS PJSC Rostelecom. Technical Team (188.128.85.11)
- DNS: ufn.ru
- Email: no MX record returned
- Email security: SPF (soft fail)
- SSL: GlobalSign, RSA 2048, expires Dec 2026
- Common Crawl link graph: rank 448,594, 5 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| ufn.ru | 7 |
| www.ufn.ru | 7 |