COS Reference

Table of contents

HubSpot Designer Docs

Welcome to HubSpot's Designer Documentation site. The HubSpot Content Optimization System (COS) is a powerful and flexible platform to design beautiful websites, blogs, and emails. Our core designer documentation has been revamped, based on feedback from the COS designer community

HubSpot's Designer Docs are organized into the following sections:

The site is now actively being built out; therefore, we will continue to improve these docs and release more content. To get started, use the sidebar navigation or submit a query below.