To improve Lightning Experience performance, use tailored ApexGuru recommendations embedded in your Lightning Experience Insights dashboard for optimizing slow Apex actions.
Where: These updates apply to Full sandbox and production environments with Scale Center enabled. Lightning Experience Insights is available at no additional cost for all Unlimited Edition Full Sandbox, Signature, and Scale Test customers.
How: When you access your Lightning Experience Performance report, it automatically creates custom ApexGuru recommendations. In the Performance Insights tab, look for hyperlinked Apex action names. Click the action name to open an ApexGuru Insights tab for that action within the Lightning Experience Insights dashboard. Review and implement ApexGuru recommendations to improve the performance of your slow Apex actions.