I have been asked this topic before but it not work now.
Access from private/incognito mode in Chrome
First time take 30 seconds to fetch display
Seconds take 15 seconds
next next next ... around 7-10 seconds look like faster but may be from cache file.
long loading file is en_us.js (see in picture below)
no error in php log and sugar
in cache set permission to 775
all directories 775
all files 664
Is it happen to your system after upgrading or not?
Any idea for fix it ?
Sugarcrm 18.104.22.168 Ent