What powers preferreddata.com?
Last seen Sep 2026 · 27 technologies across 15 categories
Analytics
Cloudflare Browser Insights
since Sep 2026
Microsoft Clarity
since Sep 2026
CDN
Cloudflare
since Sep 2026
JavaScript frameworks
Next.js App Router
since Sep 2026
React
since Sep 2026
JavaScript libraries
Live chat
HubSpot Chat
since Sep 2026
Marketing automation
Miscellaneous
PaaS
Vercel
since Sep 2026
Performance
Cloudflare Rocket Loader
since Sep 2026
Priority Hints
since Sep 2026
Programming languages
Node.js
since Sep 2026
Security
Cloudflare Bot Management
since Sep 2026
HSTS
since Sep 2026
Tag managers
Google Tag Manager
since Sep 2026
UI frameworks
Web frameworks
Webmail
Microsoft 365
since Sep 2026
AI Crawlers
Restricts 8 of 33 AI crawlers we track by name in its robots.txt. Checked Oct 2026.
Training crawlers
- ClaudeBot Restricted
- GPTBot Restricted
Search and AI assistants
- Claude-SearchBot Restricted
- OAI-SearchBot Restricted
- PerplexityBot Restricted
User-request fetchers
- ChatGPT-User Restricted
- Claude-User Restricted
- Perplexity-User Restricted
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 found
- ai.txt not found
AI Crawlers
8 of 33 AI crawlers restricted
Standards: llms.txt
Open Page Rank
0.62 / 10 · ranked #21,494,698 of all domains
2 referring domains · OpenPageRank