SharePoint optimization can be caused by many different things. Starting from the incorrect SQL Server set up and all the way to the overflowing indexing. Many companies are faced with difficulties regarding the SharePoint performance as all of the little mistakes manifested after some time. Optimization is a complex and tedious process, in order to accomplish it and fix the problem instead of just treating the symptoms organizations should consider outsourcing the job to the team of experienced professionals. At The process ultimately consists of 4 steps: assessment, optimization, testing and maintenance. If businesses want to avoid problems reoccurring in the future, than they might want to move the entire on-premise SharePoint to the cloud. If you are interested in one of these services than you can read more here
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