How to Add Custom HTML Code To Squarespace? Advanced Guide

Squarespace provides an all-in-one website building solution, making the process straightforward. However, for advanced customization needs that may necessitate code editing knowledge.

This article will show you how to add customized HTML, CSS and JavaScript code directly into your website using the Code Block element. This feature provides an excellent opportunity to embed third-party widgets or otherwise extend and customize your website beyond what’s possible with other blocks.

Code Block

Squarespace is an easy and accessible website builder, making it simple for anyone to create stunning websites online. The platform offers various templates and layouts which can be tailored with content from you or images from others; while its flexible code system also enables custom additions such as chat widgets or embedding videos.

Squarespace’s Code Block element is an invaluable tool that makes adding HTML, CSS and JavaScript content incredibly straightforward. Furthermore, it enables third-party applications – like live chat widgets – without needing to know code yourself. Keep in mind though that custom code may cause functional issues to your site, so use this feature with caution.

Be sure to activate the Display Source option when using a Code Block; this will ensure that your code appears as you intended on your site and is easily understood by visitors. Failure to do so could leave them confused as to how they should use your code or understand its intent.

If you don’t feel confident editing HTML directly, use the Embed Block to easily add code snippets to specific pages. It will execute the code you provide and show its results on your page; though suitable for all plans but may be inadvisable when changing major parts of a layout.

The code block is an ideal way to add custom CSS to each page on your site on an individual basis, and supports plain text, HTML and Markdown coding styles. Furthermore, third-party tools and iframes may also be embedded using this tool. If you’re seeking more significant modifications for your website’s layout then consider upgrading to either Business or Commerce plan as these plans include Squarespace Developer Platform which lets you create templates.

It is a powerful tool capable of producing websites with complex designs and features; however if coding experience is limited then try Business or Commerce plans instead as these plans include Squarespace Developer Platform which makes creating templates easier; however its use should be avoided as it requires extensive coding knowledge before proceeding further with designing/coding experience is recommended instead

Custom CSS

Squarespace provides multiple methods for you to add custom code. One is through using a Code Block in the Page Builder, enabling you to insert HTML code directly. A Site Styles panel enables you to apply CSS styling rules across pages, blocks and elements of your site (including header and footer areas) using Design menu options. Thirdly is external editors – an ideal option if your modifications involve extensive code modifications that require support outside Squarespace itself.

Beginners to CSS code may be intimidated by its complexity; however, there are great resources for beginners that will help them better understand this language and how it works. One such resource is Squarespace CSS Guide for Beginners which includes examples on how to implement the use of CSS on websites as well as explaining its advantages over less formatted versions.

Squarespace makes adding custom code easy by providing access to its Site Styles panel, where all of your sitewide styles, page-specific styles, and templated section or theme styles are centralized for easier management. If you’re new to coding, however, working with an experienced designer can ensure your code works with your website successfully.

Step one is selecting the page where you’d like to edit styles, then gathering information such as the Page ID of an element you wish to change from its URL bar; additionally, Block ID can be found by looking in the address bar of a browser and the number that follows “#”. Once these numbers have been determined, enter them into Site Styles panel to apply CSS styles on that element.


As non-web developers, the thought of adding custom code to a Squarespace website may seem intimidating. Understanding how coding works may be complex; any small error could compromise an entire site. But with some assistance and guidance, adding HTML can still be done within Squarespace websites.

To accomplish this task, use the Page Builder’s Code Block feature. This enables you to add HTML and CSS code directly into your Squarespace website without the need for extra coding – making creating layouts faster!

Squarespace provides another method for adding custom code: using its Code Injection tool. Available across all plan levels, this feature allows users to insert custom JavaScript, CSS and other codes directly into a page’s content – as well as centralizing styles across pages more efficiently for easier management and updates. Please keep in mind that any code added via page header won’t appear in Index landing pages.

JavaScript on Squarespace websites can bring many advantages, from improved website performance to creating a personalized user experience. This is particularly relevant if you’re building an eCommerce storefront – while Squarespace provides plenty of tools for building sites, sometimes custom code is necessary in order to meet client demands and ensure their site meets functional and aesthetic requirements.

Although professional services should always be utilized when managing custom code, integrating JavaScript into a Squarespace website design project is possible through various means. One such method is to use the Code Block feature found on all plans except Basic; click an insert point and select the Code Block from the block menu before entering your code and saving your changes when finished.

Embed codes

Squarespace is an all-in-one website building and hosting platform, giving users everything they need to build professional-looking sites quickly. This includes a drag-and-drop design editor, templates from their extensive library and advanced tools for content management. Furthermore, custom code allows users to add features not available through built-in options; so they can tailor their site exactly how they’d like without worrying about coding! Squarespace makes customized website building effortless!

Custom HTML can help your Squarespace website increase in both functionality and appearance, from adding multimedia content to connecting with external tools and services, such as an external CRM system via custom forms or widgets – this is particularly helpful if your business or service involves complex processes or systems.

To add custom code into your Squarespace website, first generate the embed code for the tool or service you want to integrate. Next, copy and paste that code into a code block for use on pages or posts by editing pages/posts with “Add Block” enabled and selecting “Code” from the drop-down menu before typing your custom code in text field provided for it.

A Squarespace code block acts like an expanded version of an embed block. It allows you to place third-party content, integrate widgets, and make other in-depth modifications to your website without needing to rely on third parties for content delivery or make other in-depth alterations yourself.

But you will require some familiarity with coding to use it effectively; given Squarespace often rolls out updates without regard to custom code updates, your custom code could break at any moment; testing prior to publishing can help identify errors before they go live and hiring professional developer could help solve issues quickly and efficiently so your website stays running smoothly without issues arising due to updates without regard for code updates!