The main feature of the Blabbermouth website is its news section dedicated to hard rock and heavy metal music. The website also features CD reviews and DVD reviews. Website users can use the Blabbermouth news submission feature to send in stories and tips for publication.
Each article and review on the Blabbermouth website features an open comments section. Users must sign in with Facebook to leave a comment or reply to another user's comment. The website also features links to the Blabbermouth Facebook and Twitter profiles. The website's RSS feed link enables users to automatically import Blabbermouth articles to their feed reader.