Assembly HTML

Is this different from this: https://www.producthunt.com/tech... ?

Every design is made with modular component blocks that can be blended in your design without any hassle. Assembly comes with ready to use designs that can fit with various industries. All Assembly pages are completely responsive and work on any mobile device. With lots of customizable settings, including fonts, colors, and page layouts, every assembly design can be made to look unique with just a few clicks. Unsplash API is directly integrated with the builder . Checkout their builder demo http://assemblyline.in/builder.html

how do you load it into your website?