What powers rc-astro.com?

Last seen Aug 2026 · 22 technologies across 16 categories

Analytics

Caching

Redis Object Cache
since Apr 2024

CDN

Cloudflare
since Feb 2021
jsDelivr
since Jan 2024

CMS

WordPress v7.0.3
since Jun 2023

Databases

MySQL
since Jun 2023
Redis
since Apr 2024

Ecommerce

Cart Functionality
since Jun 2023
WooCommerce v11.0.0
since Jun 2023

JavaScript graphics

MathJax v4.1.3
since Jan 2024

JavaScript libraries

jQuery v3.7.1
since Jun 2023
jQuery Migrate v3.4.1
since Jun 2023

Marketing automation

Sendinblue
since May 2023

Miscellaneous

Open Graph
since Jun 2023
RSS
since May 2025

Payment processors

PayPal
since Oct 2024

Performance

Priority Hints
since Dec 2023

Programming languages

PHP
since May 2023

Security

HSTS
since Apr 2025

WordPress plugins

Blocksy Companion v2.1.52
since Jun 2023

WordPress themes

Blocksy v2.1.52
since Jun 2023

AI Crawlers

Blocks 8 of 33 AI crawlers we track by name in its robots.txt. Checked Sep 2026.

Training crawlers

  • Applebot-Extended Blocked
  • Bytespider Blocked
  • CCBot Blocked
  • ClaudeBot Blocked
  • Google-Extended Blocked
  • GPTBot Blocked
  • meta-externalagent Blocked

Search and AI assistants

  • Amazonbot Blocked

The other 25 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

Content Signals: search=yes ai-train=no declared in robots.txt

See who blocks each AI crawler across the web

AI Crawlers

8 of 33 AI crawlers blocked

Standards: Content Signals

Full breakdown

Audience

  • 84% desktop
  • 15% phone
  • 1% tablet
  • United States
  • Germany
  • United Kingdom
  • France
  • Italy
  • Japan

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

Open Page Rank

3.93 / 10 · ranked #624,970 of all domains

104 referring domains · OpenPageRank

Core Web Vitals

LCP1.4 s
INP25 ms
CLS0
TTFB1000 ms

Real user p75, Chrome UX Report, Aug 2026.

Page

  • Language: English (United States)
  • CDN: Cloudflare
  • Weight: 17.8 MB · 72 requests
  • WordPress theme: blocksy (child: rc-astro) · all themes
  • Structured data: JSON-LD, Microdata, OpenGraph, Twitter Cards

Homepage as crawled by the HTTP Archive, Sep 2026.

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