Uncompressed dynamic JS files

Hi All,

I could see some uncompressed dynamic js files with dynamic names in page source of my Drupal 7 site.

Those JS are not custom JS added by me. I think Drupal CMS is creating it at run time.

When I check through YSlow I found suggestion about such 2-3 files that they are not compressed files. However if I see in page source it seems like compressed. 

I need any idea or suggestion if some one have did it already.

Note: We have kept CSS and JS aggression on.

Drupal version: 


Source: https://www.drupal.org/taxonomy/term/4/feed