An Adobe Commerce developer is trying to load custom template on a product page by creating a new page layout with the following Layout XML:

However, after applying the new page layout the template is not visible. Why is the template not visible? Response:

An Adobe Commerce Developer has created a custom widget:

How can the developer call the closeModal function of this widget? Response:

A developer is working with Knockout.js on the checkout page and needs to bind user input fields to the view model. How can they achieve this using Knockout.js?
Response:

A website is experiencing slow load times due to the number of images on the homepage. How can the developer optimize the images for faster loading?
Response:

A developer needs to customize the image sizes used for product thumbnails in a theme. Where should they define the new image dimensions?
Response: