What powers universe.courses?

Last seen Oct 2026 · 15 technologies across 10 categories

Caching

Google PageSpeed
since Jul 2023

CMS

WordPress
since Jul 2023

Databases

MySQL
since Jul 2023

Font scripts

Google Font API
since Jul 2023
Typekit
since Jul 2023

JavaScript libraries

Swiper
since Jul 2023

Miscellaneous

Open Graph
since Dec 2025

Performance

Priority Hints
since Dec 2025

Programming languages

PHP
since Jul 2023

Security

DDoS-Guard
since Oct 2025

WordPress plugins

Elementor v3.17.2
since Jul 2023
RankMath SEO
since Dec 2025
WooCommerce
since Jul 2023
WP Rocket
since Dec 2025
WPForms
since Jul 2023

AI Crawlers

Restricts 4 of 33 AI crawlers we track by name in its robots.txt. Checked Oct 2026.

Training crawlers

  • ClaudeBot Restricted

Search and AI assistants

  • OAI-SearchBot Restricted
  • PerplexityBot Restricted

User-request fetchers

  • ChatGPT-User Restricted

The other 29 AI crawlers we track are not mentioned and only inherit the catch-all rules that apply to every crawler.

  • robots.txt found
  • llms.txt not found
  • ai.txt not found
  • Sep 2026 chatgpt-user added to robots.txt
  • Sep 2026 claudebot added to robots.txt
  • Sep 2026 oai-searchbot added to robots.txt
  • Sep 2026 perplexitybot added to robots.txt

See who blocks each AI crawler across the web

AI Crawlers

4 of 33 AI crawlers restricted

Full breakdown

Audience

  • 62% phone
  • 38% desktop
  • Russia

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

Open Page Rank

0.67 / 10 · ranked #20,267,426 of all domains

2 referring domains · OpenPageRank

Core Web Vitals

LCP7.8 s
CLS0
TTFB4200 ms

Real user p75, Chrome UX Report, Sep 2026.

Page

  • Language: Russian (Russia)
  • Weight: 0.4 MB · 16 requests
  • WordPress theme: blocksy (child: blocksy-child) · all themes
  • Structured data: JSON-LD, Microdata, OpenGraph, Twitter Cards

Homepage as crawled by the HTTP Archive, Oct 2026.

Organisation

  • Александр Сераков
  • Industry: Education (declares EducationalOrganization)

From the homepage's own structured data (Oct 2026).

Infrastructure

  • Hosted on Timeweb (193.201.115.3)
  • Email: Timeweb
  • Email security: SPF (soft fail), DMARC quarantine
  • SSL: Let's Encrypt, RSA 4096, wildcard, expires Dec 2026
  • Common Crawl link graph: rank 25,809,826
  • Verified with: Brevo, Google

DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted

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