Modern websites today are usually single page applications (SPAs) rather than multi-page websites where each page loads a new page. Top developers at CrewNew are so good at SPA and PWA (progressive web app) development that it doesn't really take that many hours of work to do them. That's the reason we already make the websites of future for more than half of our customers.
Read more about single page applications (SPAs) from our blog here and also about the progressive web apps (PWAs) that can be also work like native mobile apps that makes them almost 3x cheaper than native mobile apps and almost 2x cheaper than hybrid mobile apps. If you just Google a bit you'll find out quickly that this is the future of web and mobile web and mobile apps.