Web Sites are complicated
With aesthetic and content concerns, security, privacy, preformance and reliability issues come maintenance and support activities.Website Management is the process of procuring and implementing the services (hosting, name management, data storage, server location / management) that you need to support your web presence.
Website Management is Technical
Some of it is easy to verify because the proof is on the screen. The question is simple: Can folks see your site and are you getting the responses from them that you want.
Some is more subtle. Vigilance and action are requires to keep your site healthy and happy.