What powers polynbooks.ru?

Last seen Aug 2026 · 9 technologies across 7 categories

Analytics

Yandex.Metrika
since Jan 2024

Font scripts

Google Font API
since Feb 2024

JavaScript frameworks

React v18.2.0
since Feb 2024

JavaScript libraries

core-js v3.48.0
since Nov 2023
Loadable-Components
since May 2026
Preact
since Aug 2026

Live chat

JivoChat v201.5.0
since Aug 2026

Performance

Priority Hints
since Nov 2023

Security

HSTS
since May 2026

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 Aug 2026.

  • robots.txt found
  • llms.txt not found
  • ai.txt not found

See who blocks each AI crawler across the web

AI Crawlers

No AI crawlers blocked

Full breakdown

Audience

  • 72% phone
  • 28% desktop
  • Russia

Where the site's Chrome visitors come from, largest estimated audience first.

Open Page Rank

1.18 / 10 · ranked #10,096,438 of all domains

11 referring domains · OpenPageRank

Core Web Vitals

LCP2.1 s
INP150 ms
CLS0.05

Real user p75, Chrome UX Report, Aug 2026.

Page

  • Language: Russian
  • Weight: 1.9 MB · 87 requests
  • Structured data: JSON-LD, Twitter Cards

Homepage as crawled by the HTTP Archive, Aug 2026.

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