A well built, performant website can be created with any framework or type of technology in existence. It may be harder with some than others, but it can be done.

The issue is the developer and designer mindset in many companies.

With said mindset being that web development and design should be ‘fun’. I fully believe a lot of developers and software enginers put their job satisfaction above their users or customers.

Link: Putting devs before users: how frameworks destroyed web performance