Learn SQUARESPACE-DEVELOPER with Real Code Examples

Create a Squarespace account

Enable Developer Mode in your site settings

Download the template code via Git or ZIP

Modify template files locally

Upload changes and preview on Squarespace hosting

Modern web browser

Squarespace account with Developer Mode

Code editor (VS Code recommended)

Local Git setup (optional)

Test device for preview

Template.json - metadata and settings

main.css - global styling

main.js - custom scripts

Collection files - CMS definitions

Page JSON files - dynamic content structure

None - managed via Squarespace Developer tools

Optional Git for template versioning

Local preview via Developer Mode

Template uploads via FTP or Git

Deployment controlled via Squarespace interface

Manual multi-language page setup

Static translations in template content

No built-in i18n engine

Dynamic labels via JSON-T possible

RTL layout adjustments require CSS changes

Support for standard HTML accessibility

Keyboard navigation in templates

Alt text for images recommended

Screen reader compliance achievable

Manual accessibility testing required

Custom CSS for themes and branding

Responsive design rules

Template-specific style files

Limited custom fonts and icons

Interactive elements via JS

Content stored in CMS collections

Template logic controlled by JSON-T

Dynamic components render on page load

JS variables manage client-side interactions

State persists via Squarespace CMS

CRUD operations via Squarespace CMS

Collection-driven dynamic pages

Static assets managed via template files

External API data rendered with JS

Forms connected to Squarespace backend