Learn SQUARESPACE-DEVELOPER with Real Code Examples

Updated Nov 26, 2025

Introduction & Fundamentals Setup & Configuration Architecture & Deep Internals Performance & Security Development Workflow Learning & Career Growth Business & Strategy Examples

Performance Notes

Minify CSS and JavaScript for faster load

Optimize images hosted in Squarespace

Use minimal scripts to prevent page lag

Leverage caching for static content

Test across desktop and mobile devices

Security Notes

Use HTTPS hosting

Sanitize inputs in custom scripts

Limit third-party script dependencies

Follow Squarespace security guidelines

Regularly update template customizations

Monitoring Analytics

Squarespace built-in analytics

Custom Google Analytics integration

Track CMS collection usage

Monitor JS error logs in browser

Review page performance metrics

Code Quality

Organize template files consistently

Comment JS and JSON-T logic

Minify CSS and JS

Follow Squarespace template conventions

Reuse components across pages