What powers verifyref.com?

Last seen Aug 2026 · 22 technologies across 15 categories

Advertising

Microsoft Advertising
since May 2026

Analytics

Google Analytics
since May 2026
Microsoft Clarity
since May 2026

Authentication

Clerk
since May 2026

CDN

Cloudflare
since May 2026

Development

Turbopack
since May 2026

Hosting

GoDaddy
since May 2026

JavaScript frameworks

Next.js v16.2.6
since May 2026
Next.js App Router
since May 2026
React
since May 2026

JavaScript libraries

Lenis v1.3.25
since Jul 2026

Miscellaneous

Open Graph
since May 2026
Webpack
since May 2026

PaaS

Vercel
since May 2026

Performance

Priority Hints
since May 2026

Programming languages

Node.js
since May 2026

Security

Cloudflare Bot Management
since May 2026
HSTS
since May 2026

UI frameworks

Radix UI
since May 2026
shadcn/ui
since May 2026
Tailwind CSS
since May 2026

Webmail

Proton Mail
since May 2026

AI Crawlers

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

Training crawlers

  • ClaudeBot Restricted
  • Google-Extended Restricted
  • GPTBot 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.

See who blocks each AI crawler across the web

AI Crawlers

4 of 33 AI crawlers restricted

Standards: llms.txt

Full breakdown

Open Page Rank

1.11 / 10 · ranked #10,934,341 of all domains

6 referring domains · OpenPageRank

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