It is quite appropriate to design a site for his collection or his NFT project. It allows you to gather information for your audience and not be too dependent on social networks as well as convey credibility to your audience to build trust.
Websites allow you to work on your presence on search engines (SEO), to collect subscriptions for a newsletter, to create optimized landing pages for your advertising campaigns.
Kallitous can help you create your NFTs websites, optimize them for search engines and create advertising campaigns.
You can integrate your NFTs directly on your website through some platforms (the giant Marketplace OpenSea offers widgets to display and sell your works directly on your site)