What powers bookcrossing.ru?
Last seen Aug 2026 · 16 technologies across 11 categories
Analytics
Yandex.Metrika
since Feb 2021
CDN
Cloudflare
since Apr 2023
Mailgun
since Aug 2022
Issue trackers
Sentry
since Jul 2021
JavaScript frameworks
JavaScript libraries
Marketing automation
OneSignal
since Apr 2021
Miscellaneous
Programming languages
Node.js
since Feb 2022
Security
Cloudflare Bot Management
since Apr 2023
Web servers
Nginx
since Dec 2020
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
- 67% phone
- 33% desktop
Russia
Belarus
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
4.22 / 10 · ranked #448,064 of all domains
256 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.3 s |
| INP | 125 ms |
| CLS | 0.05 |
| TTFB | 1500 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: English
- Weight: 1.8 MB · 70 requests
- Structured data: OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
- BookCrossing
- Founded: 2001
From Wikidata (CC0).
Infrastructure
- Hosted on INTERNET-PRO-AS (91.201.52.21)
- Email: Yandex 360
- Email security: no SPF record, DMARC monitor only, CAA
- SSL: Let's Encrypt, RSA 2048, expires Sep 2026
- Common Crawl link graph: rank 645,179, 2 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted