What powers quintessa.org?

Last seen Oct 2026 · 7 technologies across 6 categories

Analytics

Google Analytics
since Jun 2020

Miscellaneous

Popper
since Jul 2022
RSS
since Jan 2023

Security

HSTS
since Sep 2022

UI frameworks

Bootstrap v5.3.8
since Jun 2020

Web servers

Apache HTTP Server
since Jun 2020

Webmail

Microsoft 365
since Feb 2024

AI Crawlers

Restricts 31 of 33 AI crawlers we track by name in its robots.txt. Checked Oct 2026.

Training crawlers

  • AI2Bot Restricted
  • Applebot-Extended Restricted
  • Bytespider Restricted
  • CCBot Restricted
  • ClaudeBot Restricted
  • cohere-training-data-crawler Restricted
  • Diffbot Restricted
  • FacebookBot Restricted
  • Google-CloudVertexBot Restricted
  • Google-Extended Restricted
  • GoogleOther Restricted
  • GPTBot Restricted
  • ImagesiftBot Restricted
  • img2dataset Restricted
  • meta-externalagent Restricted
  • PanguBot Restricted
  • SBIntuitionsBot Restricted
  • Webzio-Extended Restricted

Search and AI assistants

  • Amazonbot Restricted
  • Claude-SearchBot Restricted
  • DuckAssistBot Restricted
  • OAI-SearchBot Restricted
  • PerplexityBot Restricted
  • PetalBot Restricted
  • YouBot Restricted

User-request fetchers

  • ChatGPT-User Restricted
  • Claude-User Restricted
  • GoogleAgent-Mariner Restricted
  • meta-externalfetcher Restricted
  • MistralAI-User Restricted
  • Perplexity-User Restricted

The other 2 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 ai-input=yes declared in robots.txt

See who blocks each AI crawler across the web

AI Crawlers

31 of 33 AI crawlers restricted

Standards: Content Signals

Full breakdown

Open Page Rank

2.16 / 10 · ranked #3,188,717 of all domains

16 referring domains · OpenPageRank

Page

  • Language: English (United Kingdom)
  • Weight: 0.4 MB · 22 requests
  • Structured data: Microdata

Homepage as crawled by the HTTP Archive, Oct 2026.

Infrastructure

  • Hosted on IONOS (217.154.52.52)
  • DNS: livedns.co.uk
  • Email: Microsoft 365
  • Email security: SPF (soft fail), DMARC quarantine
  • SSL: Sectigo, RSA 2048, expires Feb 2027
  • Common Crawl link graph: rank 2,089,942
  • Verified with: Microsoft 365

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

Full technology history →
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