What powers systemprompts.fun?

Last seen Jul 2026 · 16 technologies across 10 categories

Analytics

GoatCounter
since Jul 2026
Google Analytics
since Jul 2026
Vercel Analytics
since Jul 2026

Development

Turbopack
since Jul 2026

Font scripts

Google Font API
since Jul 2026

JavaScript frameworks

Next.js v16.1.0
since Jul 2026
Next.js App Router
since Jul 2026
React
since Jul 2026

Miscellaneous

Open Graph
since Jul 2026
PWA
since Jul 2026
Webpack
since Jul 2026

PaaS

Vercel
since Jul 2026

Performance

Priority Hints
since Jul 2026

Programming languages

Node.js
since Jul 2026

Security

HSTS
since Jul 2026

UI frameworks

Tailwind CSS
since Jul 2026

AI Crawlers

Restricts 5 of 33 AI crawlers we track by name in its robots.txt. Checked Aug 2026.

Training crawlers

  • ClaudeBot Restricted
  • Google-Extended Restricted
  • GPTBot Restricted

Search and AI assistants

  • PerplexityBot Restricted

User-request fetchers

  • ChatGPT-User Restricted

The other 28 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=no declared in robots.txt

See who blocks each AI crawler across the web

AI Crawlers

5 of 33 AI crawlers restricted

Standards: Content Signals

Full breakdown

Open Page Rank

0.74 / 10 · ranked #18,169,758 of all domains

3 referring domains · OpenPageRank

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