Many magazines could submit their articles online. For details, you can refer to the following popular types: 1. Fiction-related magazine agencies: Many famous novel magazine agencies, such as Reader, Mengya, and Flower Fire, provide online submission. 2. Science fiction magazine: Science fiction world magazine is one of the most famous science fiction magazines and also provides online submission. 3. Romance Magazine Agency: There are also many romance magazines such as Reader, Flower Fire, and Fictional Reading that provide online submission. 4. Fantasy Magazine Agency: There were also many fantasy magazines such as Reader, Firework, and Fiction-Reading that provided online submission. 5. Mystery Magazine Agency: Mystery magazines such as Reader, Firework, and Reading Fictions also provide online submission. The specific submission methods may vary according to the type of magazine and region. It is recommended to read the journal's submission guidelines carefully before submitting and make sure to understand the latest submission methods and requirements.