You can optimize Youzify Database, optimize BP Xprofile Fields, and Optimize Youzify Media on this Patches Settings.
Please go to Youzify Panel >> General Settings >> Patches Settings, and click "Update Button" there. Wait few minutes untill it finish.
For Media Patch Optimization, you need to activate CURL and Getimagesize on your hosting server. It installed and activated on almost hosting server. But if you find that it does not installed/activated yet, you can contact your hosting provider and ask them to install it on your server.
Also, you need to post at least an image on your Activity page to patch the Youzify Media.