It's actually refreshing to see end-user documentation and answering the basic questions of “what can this do” and “why should I care” in the readme. Most projects jump straight into how to build it locally, with not even a screenshot of what they’ve created.
They should add an url into the description text. This will render as backlink any there are many pages out there which replicate github-topic pages which will then give your site many links for free.
