Squarespace allows you to enhance your website through custom code, though programming knowledge isn't required for basic site building. Here's what you need to know about implementing custom code:

Supported Code Types

• HTML: Adds content to web pages
• JavaScript: Creates interactive functions
• CSS: Defines style and design (128,000 character limit)
• Markdown: Formats text content
• iframes: Embeds external content

Code Implementation Options:

1. Code Blocks: Best for advanced, customizable code
2. Embed Blocks: Ideal for oEmbed-standard external content (like social media posts)

CSS Customization Best Practices:

• Suitable for: fonts, colors, backgrounds
• Avoid using for: padding, margins, element positioning, sizes

Important Considerations:

• Custom code is an advanced modification not covered by Squarespace support
• Server-side code (PHP, Ruby, SQL) is not supported
• CORS requests are not supported

Troubleshooting Display Issues:

1. Use keyboard shortcuts if unable to paste code
2. If code isn't visible:
   • Check while logged out
   • View in incognito mode
   • Ensure code isn't in an Index Page
   • Refresh your browser

Resources for Learning:

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

Professional Help:

• Squarespace Forum for technical queries
• Squarespace Circle for experienced users
• Squarespace Experts for custom development

For version 7.0 users, the Squarespace Developer Platform provides access to template base code for advanced customization.

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