What powers 
vpostrel.com?
Last seen Sep 2026 · 15 technologies across 12 categories
Affiliate programs
Amazon Associates
since Jul 2021
Analytics
Cloudflare Browser Insights
since Oct 2025
Google Analytics
since Apr 2019
CDN
Cloudflare
since Apr 2019
Google Hosted Libraries
since Mar 2022
CMS
Craft CMS
since Apr 2019
Font scripts
JavaScript libraries
Miscellaneous
HTTP/3
since Sep 2022
Open Graph
since Sep 2022
Programming languages
PHP
since Apr 2019
UI frameworks
Bootstrap
since Feb 2021
Video players
YouTube
since Apr 2019
Web frameworks
Yii
since Apr 2019
Webmail
Google Workspace
since Aug 2022
AI Crawlers
Doesn't mention any of the 33 AI crawlers we track in its robots.txt; all are allowed by default. Checked Nov 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Open Page Rank
3.58 / 10 · ranked #825,720 of all domains
103 referring domains · OpenPageRank
Infrastructure
- Hosted on Cloudflare (104.21.18.254, IPv6)
- Email: Google Workspace
- Email security: no SPF record, no DMARC record
- SSL: Google Trust Services, ECDSA P256, wildcard, expires Dec 2026
- Common Crawl link graph: rank 2,292,381, 2 hosts
- Verified with: Google
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| vpostrel.com | 14 |
| www.vpostrel.com | 12 |