Respuesta :
If Keith's website is not accessible from mobiles, he should invest in b. Designing a responsive website
It is very important to have a responsive website because:
- It ensures that different devices can access the website
- It leads to more traffic to the website
A lot of people now prefer to use their mobile phones to access websites which means that websites need to be mobile friendly and this can be done by developing a responsive website.
In conclusion, Keith should design a responsive website.
Find out more at https://brainly.com/question/21572917.