What powers 
herzenlib.ru?
Last seen Sep 2026 · 12 technologies across 8 categories
Analytics
Ecommerce
JavaScript libraries
Operating systems
Programming languages
UI 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. A recent check saw a policy file missing; awaiting confirmation.
- robots.txt found
- llms.txt not found
- ai.txt not found
- Oct 2026 robots.txt appeared
- Oct 2026 * added to robots.txt
- Oct 2026 * removed from robots.txt
- Oct 2026 robots.txt removed
- Aug 2026 robots.txt appeared
- Aug 2026 * added to robots.txt
AI Crawlers
No AI crawlers blocked
Audience
- 76% phone
- 22% desktop
- 2% tablet
Russia
Belarus
Kazakhstan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.51 / 10 · ranked #880,767 of all domains
122 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.2 s |
| INP | 275 ms |
| CLS | 0 |
| TTFB | 400 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Weight: 3.0 MB · 108 requests
Homepage as crawled by the HTTP Archive, Oct 2026.
Organisation
- Kirov Regional Scientific Library
- Founded: 1837
- Country: Russia
From Wikidata (CC0).
Infrastructure
- Hosted on MTS (92.39.69.246)
- DNS: ihead.ru
- Email: h43.ru
- Email security: SPF (hard fail), no DMARC record
- SSL: Let's Encrypt, RSA 4096, expires Nov 2026
- Common Crawl link graph: rank 501,128, 4 hosts
- Verified with: Google
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| herzenlib.ru | 7 |
| www.herzenlib.ru | 7 |
| opac.herzenlib.ru | 4 |
Full technology history →
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