To ensure specific JS files are not minified by W3 Total Cache, follow these steps:

1. Access W3 Total Cache Settings: 

1. From your WordPress dashboard, navigate to Performance ➡️ Minify.
   

2. Navigate to the Advanced Section: 

1. Click the Advanced section.
   

3. Exclude JS Files from Minification: 

1. Under Never minify the following JS files, add plugin.nytsys.com
   

4. Save the Changes: 

1. Save the changes to apply the new configuration.
   

5. Clear/Purge the Cache:

1. Navigate to the top corner of your dashboard ➡️ Hover to Performarce and click “Purge All Caches”

It is important to clear the cache after making the changes to load the latest version of your website.