What powers 
predictablyirrational.com?
Last seen Sep 2026 · 7 technologies across 6 categories
Analytics
Google Analytics
since Oct 2022
Font scripts
Google Font API
since Apr 2023
JavaScript libraries
Swiper
since Oct 2023
Miscellaneous
Open Graph
since Sep 2022
PaaS
Security
HSTS
since Sep 2022
AI Crawlers
No robots.txt, so all AI crawlers are allowed by default. Checked Oct 2026.
- robots.txt not found
- llms.txt not found
- ai.txt not found
AI Crawlers
No robots.txt, all AI crawlers allowed
Open Page Rank
4.17 / 10 · ranked #470,066 of all domains
172 referring domains · OpenPageRank
Page
- Language: English
- CDN: Vercel
- Weight: 2.8 MB · 29 requests
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Oct 2026.
Organisation
- HarperCollins
- Industry: Blogs and publishing (declares
Book)
From the homepage's own structured data (Oct 2026).
Infrastructure
- Hosted on Amazon Web Services (216.150.1.129)
- DNS: Vercel
- Email: no MX record returned
- SSL: Let's Encrypt, RSA 2048, expires Dec 2026
- Common Crawl link graph: rank 525,168, 3 hosts
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| predictablyirrational.com | 6 |
| www.predictablyirrational.com | 3 |
Full technology history →
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Recent changes
- detected Vercel Aug 2026