If you (or any of your plugins) are still using an older version of jQuery, then the jQuery Migrate script is useful to migrate the older code into modern features. However, most modern and updated sites have no need for the jQuery Migrate script. This module disables the jQuery Migrate script and reduce unnecessary load from your site.
Activate the Disable jQuery Migrate Module
In the Admin Optimizer page, click to enable the Disable jQuery Migrate module. Press Save Changes to save the changes.
No configuration is required for this module to work.
Check if the Disable jQuery Migrate Module is Working
Before activating this module, check the source code (right-click on the web page and click “Inspect”) of your frontend site. In the <head> section, you should see the jquery-migrate-js script loaded on your site.
After activating the module, check the source code again. The jquery-migrate-js