There were many types of popular online novels. The following were some of the more common types: 1. Fantasy novels: Fantasy novels mainly tell the story of the protagonist obtaining strength to save the world or defeat the evil forces through cultivation and combat. This type of novel often had a broad imagination and complex plot structure. 2. urban novels: urban novels mainly describe the protagonist's life and work in the modern city, often involving the workplace, emotions, life and other aspects. The plot of this type of novel is more compact, and the readers can get into the character faster. 3. Science fiction: Science fiction mainly tells the story of human beings in the future technological world. The protagonist usually faces various technological obstacles and uses technological means to solve problems. This type of novel often had a broad imagination and technological elements. 4. Historical novels: Historical novels mainly tell the stories of the protagonists in ancient or modern historical events, often involving politics, military, culture, etc. The plot of this kind of novel is more complicated, and readers can understand history more deeply. Fantasy novels: fantasy novels mainly tell the fantasy adventure stories between humans and other races, often with magnificent imagination and fantasy elements. The above are just some of the types of online novels. Different types of novels have their own unique characteristics and appeal. The readers can choose a novel that suits them according to their own preferences.