Learn SQUARESPACE-DEVELOPER with Real Code Examples
Updated Nov 26, 2025
Architecture
Squarespace hosting as the server
Template files for front-end rendering
JSON-T for template logic
Custom CSS and JavaScript for styling and interactivity
CMS collections for dynamic content
Rendering Model
Client-side rendering for scripts and interactions
Server-side rendering for CMS content
JSON-T templates render dynamic pages
CSS applies responsive and themed styles
Hosting served by Squarespace platform
Architectural Patterns
Template-based site structure
Separation of CSS, JS, and HTML
CMS collection-driven content
Dynamic rendering via JSON-T
Optional custom JavaScript enhancements
Real World Architectures
Branded portfolio websites
Agency client landing pages
E-commerce stores with custom filters
Interactive blogs and magazines
Event and booking websites
Design Principles
Clean, responsive template design
Separation of content and presentation
Customizable but maintainable templates
Integration with CMS and hosting
Ease of deployment for live websites
Scalability Guide
Use lightweight JS and CSS
Optimize images and assets
Limit large collections per page
Reuse template components
Monitor Squarespace bandwidth limits
Migration Guide
Export template and site files
Recreate CMS collections in new site
Upload template via Git or ZIP
Reconnect custom scripts
Test live site after migration