A developer has a sandbox with code to log a message during execution, and the following code:
After the code executes the developer does not see any log file with the message in the WebDEV folder.
Which two XML files should the developer import using the using-specific Merchant Tools import modules?

Given the code snippet aboce, what should be added after this code so it can be used for page component display?

A developer is implementing new Page Designer content on a merchant's Storefront and adds the line below to

What does this achieve?

A developer has custom debug statements in a script, but the messages are not showing up in the Storefront Toolkit Request Log.
Which step needs to be completed to get the messages to appear in the Request Log?

Which three techniques improve client-side performance in production while following documented best practices? (Choose three.)