Hello,
Sorry for the problems with leveraging browser caching. In order for us to give you more specifics considering using browser caching, you would need to provide more information concerning the settings that you're currently using. Please provide this information and we can look into it further. You can also review information on how to leverage browser caching from this article from GTMetrix - a site dedicated to helping improve website performance.
If you have any further questions or comments, please let us know.
Regards,
Arnel C.
I used for my website and get 99/100 points. only ... / google analytics.js (2 hours)