What powers 
photonics.su?
Last seen Aug 2026 · 5 technologies across 5 categories
Analytics
Yandex.Metrika
since May 2019
Ecommerce
Cart Functionality
since Nov 2021
JavaScript libraries
Operating systems
Debian
since Feb 2019
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
AI Crawlers
No AI crawlers blocked
Audience
- 65% desktop
- 35% phone
Russia
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
4.04 / 10 · ranked #540,383 of all domains
69 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.7 s |
| INP | 25 ms |
| CLS | 0 |
| TTFB | 1300 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Weight: 0.7 MB · 65 requests
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
- Photonics Russia
From Wikidata (CC0).
Infrastructure
- Hosted on MIRAN-AS Miran DC (91.142.94.191)
- DNS: nic.ru
- Email: technosphera.ru
- Email security: SPF (soft fail), DMARC quarantine
- SSL: Let's Encrypt, RSA 2048, expires Oct 2026
- Common Crawl link graph: rank 586,664, 2 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted