Custom code allows you to enhance your website's functionality and appearance beyond built-in features. While Squarespace provides code-free website creation, understanding custom code options can help you achieve advanced customizations.

Ways to Add Custom Code:

• HTML: Adds content and structure to webpages
• CSS: Controls website styling (128,000 character limit)
• JavaScript: Enables interactive features
• Markdown: Formats text with simple syntax

Best Practices for Custom Code:

1. CSS Customization:

• Recommended for: fonts, colors, backgrounds
• Avoid using for: padding, margins, floats, sizing, positioning

2. Code Blocks vs. Embed Blocks:

• Use embed blocks for basic third-party content (oEmbed standard)
• Choose code blocks for advanced customizations and HTML/Markdown rendering

Common Issues and Solutions:

Code Not Displaying:

• Refresh your browser
• Test in incognito mode when logged out
• Check if code is on an index page
• Verify CORS compliance

Implementation Tips:

• Use keyboard shortcuts for code insertion
• Test thoroughly in different browsers
• Keep code changes minimal and targeted
• Document all customizations

Resources for Learning:

• W3Schools
• CodeCademy
• Mozilla Developer Network
• Stack Overflow
• Shay Howe
• SitePoint
• Treehouse

Important Notes:

• Server-side code (PHP, Ruby, SQL) is not supported
• Custom code modifications are beyond standard support scope
• Consider hiring a Squarespace Expert for complex implementations
• Join Squarespace Circle for technical assistance (requires 3 active websites)

For complex customizations, the Squarespace Developer Platform (version 7.0) provides access to template code for advanced users.

Remember to always back up your site before implementing custom code and test thoroughly across different devices and browsers.

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