The WebKit engine has a set of classes to display web content in windows , and implements browser features such as following links when clicked by the person using the web browser ( the user ) , managing a back-forward list , and keeping a history of pages recently visited . The WebKit engine provides a set of classes to display web content in windows , and implements browser features such as following links when clicked by the user , managing a back-forward list , and managing a history of pages recently visited .