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How to Disable Page Compression for All Websites using MultiPHP INI Editor in cPanel

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Introduction

This Knowledge Base article provides a concise, step-by-step guide on How to Disable Page Compression for All Website using MultiPHP INI Editor in cPanel. The zlib.output_compression directive controls transparent compression of PHP output using the zlib library. There may be situations where you need to disable compression for a particular website, such as when troubleshooting output issues, debugging applications, or when that website’s compression is handled by other mechanisms. By configuring this setting for individual domains, you can disable compression for specific websites without affecting other websites on your hosting account.

Prerequisite

  • Access to your cPanel login page.

Step-by-Step Guide

Step 1: Log in to cPanel

  • Access and log in to your cPanel account using your username and password.

Step 2: Open MultiPHP INI Editor

  • In the Home page, under Software, click MultiPHP INI Editor.

Step 3: Access Basic Mode

  • The interface will open in the Basic Mode tab by default.
  • If you are in Editor Mode, click the Basic Mode tab at the top of the interface.

Step 4: Select Home Directory

  • From the Configure PHP INI basic settings dropdown menu, select Home Directory.

⚠️ Important Note: Selecting Home Directory will apply PHP configuration changes to all domains.

 

Step 5: Disable Output Compression

  • Locate the zlib.output_compression directive in the list of PHP directives.
  • Click the button to disable the page compression.

⚠️ Important Note:

  • Disabling compression may increase bandwidth usage and result in slower page load times for visitors to this website.
  • Only disable this if you have a specific reason or if compression is handled elsewhere in your server configuration.

 

Step 6: Apply the Changes

  • Click the Apply button at the bottom of the page to apply the changes made.

Step 7: Verify the Changes

  • A successful message will pop up to confirm that the changes is applied successfully.

⚠️ Important Note:

  • Your web server (Apache/Nginx) may still compress output through its own compression modules (mod_deflate, gzip module).
  • This setting only controls PHP-level compression for the selected domain.

Conclusion

By following these steps, you can disable page compression for all websites using MultiPHP INI Editor in cPanel. While compression generally improves performance, disabling it may be necessary for debugging or when using alternative compression methods.

Should you encounter any issues or have any questions, our support team at IPSERVERONE is always here to assist you. Don’t hesitate to reach out to us at support@ipserverone.com for any help you need.

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