What powers zuberletter.com?
Last seen Jul 2026 · 18 technologies across 14 categories
Analytics
Cloudflare Browser Insights
since Jul 2026
Blogs
Beehiiv
since May 2024
CDN
Cloudflare
since May 2024
Font scripts
Google Font API
since May 2024
Hosting
GoDaddy
since May 2024
Issue trackers
Sentry
since May 2024
JavaScript frameworks
React
since May 2024
Miscellaneous
HTTP/3
since Jul 2026
Open Graph
since May 2024
PaaS
Heroku
since May 2024
Security
Cloudflare Bot Management
since May 2024
Cloudflare Turnstile
since May 2024
PerimeterX
since Jul 2026
Tag managers
Google Tag Manager
since May 2024
UI frameworks
Headless UI
since May 2024
Web frameworks
Remix
since May 2024
Webmail
Microsoft 365
since May 2024
AI Crawlers
Blocks 1 of 33 AI crawlers we track by name in its robots.txt. Checked Aug 2026.
Search and AI assistants
- Amazonbot Blocked
The other 32 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 checked
- ai.txt not checked
AI Crawlers
1 of 33 AI crawlers blocked
Open Page Rank
0.11 / 10 · ranked #86,179,586 of all domains
0 referring domains · OpenPageRank