What powers usefulbooks.com?
Last seen Sep 2026 · 13 technologies across 10 categories
Analytics
Fathom
since Dec 2023
Issue trackers
Help Scout
since Feb 2024
JavaScript frameworks
Miscellaneous
Open Graph
since Oct 2023
Webpack
since Oct 2023
PaaS
Vercel
since Oct 2023
Performance
Priority Hints
since Apr 2025
Programming languages
Node.js
since Oct 2023
Security
HSTS
since Oct 2023
UI frameworks
Tailwind CSS
since Oct 2023
Webmail
Google Workspace
since Oct 2023
AI Crawlers
Doesn't mention any of the 33 AI crawlers we track in its robots.txt; all are allowed by default. Checked Oct 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Open Page Rank
2.78 / 10 · ranked #2,014,053 of all domains
16 referring domains · OpenPageRank
Infrastructure
- Hosted on Amazon Web Services (216.150.1.1)
- DNS: Namecheap
- Email: Google Workspace
- Email security: SPF (soft fail), DMARC monitor only
- SSL: Let's Encrypt, RSA 2048, expires Nov 2026
- Common Crawl link graph: rank 29,476,939, 3 hosts
- Verified with: Google
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Full technology history →
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Recent changes
- dropped Three.js Jul 2026