What powers jerryccs.to?

Last seen Oct 2026 · 7 technologies across 6 categories

Analytics

CDN

Cloudflare
since Jun 2026

Miscellaneous

HTTP/3
since Jun 2026

Programming languages

Python
since Jun 2026

Security

Cloudflare Turnstile
since Oct 2026
HSTS
since Jun 2026

Web frameworks

Django
since Jun 2026

AI Crawlers

Blocks 23 of 33 AI crawlers we track by name in its robots.txt. Checked Nov 2026.

Training crawlers

  • Applebot-Extended Blocked
  • Bytespider Blocked
  • CCBot Blocked
  • ClaudeBot Blocked
  • cohere-training-data-crawler Blocked
  • Diffbot Blocked
  • Google-CloudVertexBot Blocked
  • Google-Extended Blocked
  • GoogleOther Blocked
  • GPTBot Blocked
  • meta-externalagent Blocked

Search and AI assistants

  • Amazonbot Blocked
  • Applebot Blocked
  • Claude-SearchBot Blocked
  • OAI-SearchBot Blocked
  • PerplexityBot Blocked
  • PetalBot Blocked
  • YouBot Blocked

User-request fetchers

  • ChatGPT-User Blocked
  • Claude-User Blocked
  • meta-externalfetcher Blocked
  • MistralAI-User Blocked
  • Perplexity-User Blocked

The other 10 AI crawlers we track are not mentioned and stay allowed by default.

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

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

  • Oct 2026 ccbot added to robots.txt
  • Oct 2026 meta-externalfetcher added to robots.txt
  • Oct 2026 claude-searchbot added to robots.txt
  • Oct 2026 claude-user added to robots.txt
  • Oct 2026 chatgpt-user added to robots.txt
  • Oct 2026 claude-web added to robots.txt

See who blocks each AI crawler across the web

AI Crawlers

23 of 33 AI crawlers blocked

Standards: Content Signals

Full breakdown

Audience

  • 76% desktop
  • 24% phone
  • United States

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

Open Page Rank

0.25 / 10 · ranked #67,132,645 of all domains

0 referring domains · OpenPageRank

Core Web Vitals

LCP2.1 s
INP50 ms
CLS0
TTFB1600 ms

Real user p75, Chrome UX Report, Oct 2026.

Page

  • CDN: Cloudflare
  • Weight: 0.8 MB · 18 requests

Homepage as crawled by the HTTP Archive, Oct 2026.

Infrastructure

  • Hosted on Cloudflare (104.21.24.46, IPv6)
  • DNS: Cloudflare DNS
  • Email: no MX record returned
  • SSL: Let's Encrypt, ECDSA P256, wildcard, expires Dec 2026
  • Common Crawl link graph: rank 76,929,359

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

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