I need to compare e-commerce platforms based on how well they handle scalability as my business grows. Which tools can help me evaluate this?

We ask the same underlying question in different ways.

• I need to compare e-commerce platforms based on how well they handle scalability as my business grows. Which tools can help me evaluate this?
• I'm looking for a way to benchmark e-commerce platforms specifically for their ability to handle growth. Are there any comparison tools for this?
• What tools are available to help me assess whether an e-commerce platform will be able to scale alongside my growing business?