Custom code can enhance your website's style and functionality beyond built-in features. While Squarespace allows creating websites without programming skills, custom code offers additional customization options for those with technical expertise.

Important Note: Only add custom code if you have programming knowledge, as incorrect implementation may conflict with your website's core functionality.

Available Code Types by Subscription:

• Basic: CSS, HTML, Markdown
• Business and Commerce: CSS, HTML, iFrames, JavaScript, Markdown
• Enterprise: Full code access

Common Code Applications:

• HTML: Adds content structure
• JavaScript: Creates interactive elements
• CSS: Controls styling and design (128,000 character limit)

Best Practices for CSS Usage:

• Recommended for:

  • Font customization
  • Color schemes
  • Background modifications

• Avoid using for:

  • Padding adjustments
  • Margin changes
  • Element positioning
  • Size modifications

Troubleshooting Code Issues:

1. If code isn't visible:

   • Refresh your browser
   • Test in incognito mode
   • Check if code is on an index page

2. For insertion problems:

   • Use keyboard shortcuts
   • Verify proper formatting
   • Ensure code compatibility

Resources for Learning:

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

Technical Limitations:

• Server-side code not supported (PHP, Ruby, SQL)
• CORS requests not allowed
• Custom code support limited to client-side implementations

For advanced customization needs, consider hiring a Squarespace Expert or joining the Squarespace Forum for technical guidance.

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