How should a developer design and build a website to ensure that all website visitors are able to have an optimal user experience on their devices?

a$.)$

Limit the number of pixels that will display on smaller screen sizes.

b$.)$

Use responsive web design to develop websites that are easy to navigate on various screen sizes.

c$.)$

Use a model view controller to develop websites that are easy to navigate on various screen sizes.

d$.)$

Increase the number of pixels that will display on smaller screen sizes.