What role does responsive design play in modern web design solutions?

[Sdreatech]

What role does responsive design play in modern web design solutions?

[JackieJim]

I believe that this plays a crucial role in modern web design solutions.
Nowadays, many users have higher demands for the services provided, and often, the lack of harmony and coordination in website design can impact the level of traffic and even the popularity of the product or service being offered.