Javascript Rendering Issue In Wordpress Multisite

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WordPress offers a vast array of functionalities through plugins, widgets, and custom code integration. One such feature is the Follow button, which allows users to follow a website and receive updates. However, integrating this button isn't always seamless, especially in WordPress Multisite environments where user permissions and capabilities can impact functionality.

Example of adding this code

<aside id="block-45" class="widget widget_block"><a class="wordpress-follow-button" href="" data-blog="" data-lang="en">Follow dMaculate.melange on</a>
(function(d){var f = d.getElementsByTagName('SCRIPT')[0], p = d.createElement('SCRIPT');p.type = 'text/javascript';p.async = true;p.src = '//';f.parentNode.insertBefore(p,f);}(document));</aside>

Understanding the Issue

The provided code snippet attempts to embed a Follow button onto a WordPress website using Custom HTML widgets. However, upon rendering, the JavaScript portion of the code appears as plain text instead of executing as intended. This issue arises due to the restricted capabilities of the user who added the widget.

User Capabilities in WordPress Multisite

In WordPress Multisite, user roles and capabilities are structured hierarchically. Super Admins possess the highest level of control, allowing them to perform administrative tasks across all sites within the network. Site Administrators, on the other hand, have limited capabilities and permissions restricted to their respective sites.

Unfiltered HTML Capability

The crux of the issue lies in the "unfiltered_html" capability, which grants users the ability to embed unrestricted HTML code, including script tags, into WordPress content. By default, only Super Admins possess this capability in Multisite environments, ensuring security and preventing potential vulnerabilities.

Impact on Custom HTML Widgets

When a Site Administrator attempts to add custom HTML containing script tags, WordPress strips out the script tags as a security measure since the user lacks the "unfiltered_html" capability. Consequently, the JavaScript meant to load the Follow button's functionality is treated as plain text and displayed on the webpage instead of being executed.

Resolving the Issue

To address this issue and enable the Follow button functionality, there are several approaches:

  1. Delegate Integration to Super Admins: If feasible, request assistance from a Super Admin to add the Follow button code. Super Admins have the necessary permissions to embed script tags and ensure the proper execution of JavaScript code.

  2. Plugin Integration: Explore plugins specifically designed for integrating social media functionalities, including Follow buttons. These plugins often streamline the integration process and mitigate compatibility issues with Multisite environments.

  3. Theme Integration: Some WordPress themes offer built-in support for social media integrations, including Follow buttons. Check if the theme being used provides such functionality and follow the theme's documentation or support resources for integration instructions.

  4. Custom Development: For advanced users or developers familiar with WordPress development, custom code integration tailored to the Multisite environment can be implemented. This approach ensures complete control over the integration process and allows for fine-tuning based on specific requirements.

  5. Alternative Solutions: Consider alternative methods for encouraging user engagement and subscriptions, such as email newsletter opt-ins or social media sharing buttons. While not a direct replacement for the Follow button, these solutions provide avenues for users to stay updated with website content.

Best Practices for Multisite Administrators

For Site Administrators operating within WordPress Multisite environments, it's essential to adhere to best practices to ensure smooth functionality and security:

  • User Permissions: Understand the capabilities associated with your user role and seek assistance from Super Admins or appropriate authorities when performing tasks that require elevated permissions.

  • Plugin Selection: When choosing plugins or integrating custom code, consider compatibility with Multisite environments and potential implications on network-wide functionality and security.

  • Regular Updates: Keep WordPress core, themes, and plugins updated to leverage new features, bug fixes, and security enhancements provided by the WordPress community.

  • Security Measures: Adhere to security best practices, including strong passwords, regular backups, and monitoring for suspicious activity, to safeguard the integrity of the Multisite network and its constituent sites.


Integrating the WordPress Follow button within a Multisite environment requires careful consideration of user permissions, capabilities, and security measures. By understanding the implications of restricted capabilities such as "unfiltered_html" and exploring alternative integration methods, Multisite administrators can effectively leverage social media functionalities while maintaining the integrity and security of their WordPress network.