These tools allow you to create interactive and responsive wireframes, share them online, and collaborate ... in the design process before proceeding to make High fidelity designs.
The code here uses barycentric coordinates to create stylized wireframes in ThreeJS and WebGL. Some features of the code and its shaders include: Alpha to Coverage for crisp alpha cutouts and depth ...
In addition to WCAG compliance, all of this is to make the user have an empowered and accessible experience. The layout of your wireframes should be consistent and intuitive throughout your product.