Are there any pages on your site that describe what you've written here? At first glance I'm not really seeing anything more than a catalog of topics, with no a

Are there any pages on your site that describe what you've written here? At first glance I'm not really seeing anything more than a catalog of topics, with no additional information as to what uniquely valuable. This is a common pattern I see, where someone builds a great app but saves the proper explanation for HN. Often you could literally copy your HN description to /about to improve things immensely.