Tony Pai

Knowing the requirement of the website and the resource you have will help you find the best tech stack.

If you are very familiar with ASP.NET and some Javascript, but you are eager to build a website quickly, I will suggest you to go with your first plan, even vanilla Javascript or jQuery for the front end side.

In the other hand, you are willing to learn Javascript deeply and try the most famous React.js Framework Next.js, and you are not in a hurry to build this website, I will suggest you to use Next.js for both front end and back end, it is stable and community friendly that you can discover a lot of resource.

Based on your 3D object is a file or raw data, if it's a file, the pressure will be on the storage, you can use CDN to serve those files, here I will suggest you to use Next.js for both frontend SSR and serving API, and it will be more easy to maintain since there is only one instance.

If 3D object is storing as raw data in database, the pressure will be on the backend, you can use Redis cache to reduce the expensive requests, here I will suggest to separate the frontend and backend.