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Substack Website Examples

Substack is the largest newsletter and subscription platform, used by writers, journalists, and creators. Substack sites load resources from substackcdn.com and include the Substack JavaScript runtime. It powers millions of paid and free newsletters worldwide.

Check If Any Site Uses Substack

Paste any URL to instantly detect whether it was built with Substack. Our engine checks 4 technical signals.

What Types of Websites Use Substack?

Substack is used across many industries. These are the most common website types built on this platform:

1
Blogs and news publications
2
Business and corporate websites
3
Membership and community platforms
4
Documentation and knowledge bases
5
Portfolio and personal sites

Who Builds with Substack?

Publishers & bloggers

Flexible content management with rich plugin ecosystems

Enterprise businesses

Scalable CMS with extensive customization

NGOs & nonprofits

Affordable open-source platform with wide community support

E-commerce retailers

WooCommerce integration for product catalogs

How to Identify Substack Websites

Every Substack website leaves distinctive technical fingerprints. Here's what to look for:

CDN Domains

Network requests to these domains are a reliable indicator:

substackcdn\.com

JavaScript Patterns

2 script patterns linked to Substack

HTML Attributes

1 HTML pattern in the page source

Substack vs Alternatives

Explore how Substack compares to similar cms tools:

Substack

Build with Substack

Join thousands of creators who build with Substack.

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Detection Coverage

Total signals
4 patterns
Category
CMS
Accuracy
High