These are issues that, once addressed, will allow your SQL Server instances to run faster. Best of all, very little work is required to fix them.
Everybody would love to find the mythical “go faster” switch in SQL Server. Unfortunately, this switch just doesn’t exist. There are, however, many things you can do (with very little effort) that can speed up your SQL Server instances—things that are needlessly slowing down your SQL Server and causing it to work harder.