1. Optionally, to enforce HTTPS encryption for your site, select **Enforce HTTPS**. It can take up to 24 hours before this option is available. For more information, see "[Securing your {% data variables.product.prodname_pages %} site with HTTPS](/articles/securing-your-github-pages-site-with-https)."
  ![Enforce HTTPS for custom domains option](/assets/images/help/pages/enforce-https-custom-domains.png)