Enhance the site so that visitors can directly interact with it or among each other, enabling things like user-generated content, comments, voting, chat, or forms for data collection and interaction.
A nice way to improve your website contents would be to get feedbacks from users.
Collecting completely anonymous feedbacks is now possible, thanks to this Drupal 8 powered module.
Displays block with "Did this help" (is useful) question and Yes/No options. For "No" options are available list of ready answers and text field for custom answer.