What powers 
chapters.io?
Last seen Sep 2026 · 22 technologies across 12 categories
Analytics
Cloudflare Browser Insights
since Mar 2025
Tinybird
since Apr 2026
CDN
Cloudflare
since Feb 2025
Google Cloud CDN
since Mar 2025
Font scripts
Google Font API
since Feb 2025
IaaS
Google Cloud
since Mar 2025
JavaScript frameworks
JavaScript libraries
core-js
since Mar 2025
Marketing automation
HighLevel
since Mar 2025
Miscellaneous
Programming languages
Node.js
since Mar 2025
Security
HSTS
since Feb 2025
UI frameworks
Webmail
Google Workspace
since Feb 2025
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
4.45 / 10 · ranked #408,844 of all domains
15 referring domains · OpenPageRank
Search traffic
180 est. monthly organic visits (US)
9 keywords in Google's top 30
Infrastructure
- Hosted on Cloudflare (104.21.23.29, IPv6)
- DNS: Cloudflare DNS
- Email: Google Workspace
- Email security: SPF (hard fail), DMARC monitor only
- SSL: Google Trust Services, ECDSA P256, expires Feb 2027
- Common Crawl link graph: rank 2,074,929, 4 hosts
- Verified with: Google
DNS records as swept Nov 2026, certificate as seen Nov 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| www.chapters.io | 14 |
| podcast.chapters.io | 13 |
Full technology history →
Report an incorrect detection
Recent changes
- dropped Astra May 2026
- dropped Beaver Builder May 2026
- dropped Google Analytics May 2026
- dropped Google Tag Manager May 2026
- dropped jQuery May 2026
- dropped jQuery Migrate May 2026
- dropped MySQL May 2026
- dropped OWL Carousel May 2026
- dropped PHP May 2026
- dropped Priority Hints May 2026
- dropped RankMath SEO May 2026
- dropped RSS May 2026
- dropped Sendinblue May 2026
- dropped WordPress May 2026
- dropped WP Rocket May 2026
- detected PWA Apr 2026
- detected Radix UI Apr 2026
- detected React Apr 2026
- detected React Router Apr 2026
- detected shadcn/ui Apr 2026
- detected Tailwind CSS Apr 2026
- detected Tinybird Apr 2026
- dropped YouTube Mar 2026