These two techniques are often confused, and getting the implementation wrong defeats the actual performance benefit. Here is what I found testing both approaches.

Seeing double renders in development with Strict Mode confuses many developers into thinking something is broken. Here is what is actually happening and why.

Forms with many fields or complex validation can become genuinely sluggish. Here is what I found actually causes this and the specific fixes that helped.

Not every application needs aggressive optimization, and applying it prematurely adds genuine cost. Here is the honest framework I use before recommending any optimization work.

Server Components are often discussed abstractly. Here is what actually changes for performance, based on working through real migration scenarios.