Its documentation describes operating page controls, text, and forms. Start with a small workflow whose result you can check, such as search or form submission; setup guidance is documented for the three listed assistants.
When adding a library or upgrading a project, specify its name and version, then retrieve documentation and examples and check their sources. The official site documents setup for the three listed assistants, making a focused documentation lookup a clear first task.
This pick is the web-design-guidelines skill within the pack, for reviewing keyboard access, accessibility, and interface usability. Start with one page you own and check the specific findings; select this skill and your assistant during installation.