Squarespace 5 and SSL

You can enable SSL certificates for custom domains connected to Squarespace 5 sites, and for built-in domains. With SSL enabled, your visitors can access a constant, secure connection on every page. They'll see a lock icon next to your URL in the browser, showing that their information is safe.

This guide explains how to enable SSL and customize your settings in Website Settings. With any setting, your password is always encrypted, and you're automatically redirected to a secure session to modify sensitive account information.

Tip: We added the option for site-wide SSL in April 2019.

What is SSL?

Secure Sockets Layer, or SSL, is used to encrypt information transferred throughout the Internet. SSL allows visitors to navigate a website and submit information through a secure connection.

Before you begin

  • Installing third-party custom SSL certificates isn't supported for Squarespace 5.
  • If you're collecting money through a third-party service, contact your service provider for information about their payment processing security.
  • The Login Prompt widget is only available on the Basic Security setting.

Enable or disable SSL

To access SSL settings:

  1. In the Website Management bar, click Website Settings under Structure.
  2. Click Security.
  3. In the Traffic Encryption drop-down menu, choose an encryption setting.
  4. To enable the encryption setting, log out of your account and log in again.

There are three options:

  • Basic Security - Only billing and password transactions are encrypted with SSL.
  • Strong Security - Only billing, password transactions, and member login and administrative areas are encrypted with SSL.
  • High Security - All traffic to your site is encrypted with SSL.

In most cases, we recommend High Security.

Tip: Logging into your site is always protected by SSL.

Mixed content

Some pages on your site may have mixed content, meaning the page loads over a secure HTTPS connection, but some content loads over an insecure HTTP connection. Insecure content can come from:


Since mixed content on your website degrades HTTPS site security, if you choose the High Security setting, visitors may see a browser warning when they load mixed content from your site. To avoid this, switch to other pages or widgets that support your content securely. For example, you can:

These create internal links that update automatically to work with the URL your visitors are using.

Processing Request error

If you see an error message that says "To use this encryption, change your site's DNS for all domains in Website Settings > Custom Domains," your site's custom domain isn't up to date with our current DNS records. Update your DNS settings to enable High Security.

"Not Secure" messages

If you see security or privacy browser warnings when visiting your site, we recommend you enable SSL (High Security setting).

If you don't have SSL enabled, your site is just as secure as it's always been, but browsers now prefer site-wide SSL. For this reason, they label pages without SSL as insecure, or give other security warnings. 

If you haven't enabled SSL, there are ways to avoid these messages:

  • When logged out and visiting your site, start the URL for your custom domain with http:// instead of https://
  • Always use the direct URL to log in.
  • Disable SSL for your site member areas (use the Basic security setting).

Examples

Here's an example of a security warning in a browser bar:

not-secure-browser-warning-example.png

You may also see security certificate errors, which block you from seeing a page. These errors occur because the SSL certificate is provided for Squarespace.com, rather than your custom domain. They're warning that you may be contacting a host other than the one you intend, but unless you run a very high-risk domain, this is not happening to you.

Your site may display security certificate errors if:

  • You're visiting your custom domain and starting the URL with https:// instead of http://
  • You're accessing your billing information from a custom domain.
  • A site member is resetting their password.

Here's an example:

example-of-security-certificate-error.png

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