PyCharm is majorly preferred because of its ease to create web applications using technologies like HTML, CSS, TypeScript, JavaScript, and CoffeeScript. You can use several editors supported for these technologies along with various tools. PyCharms also comes with a lot of functionalities and plugins. You can also easily customize the interface according to your needs. It has consistently been the most preferred IDE due to its ease of installation and it also comes with a professional edition giving you some wonderful features such as remote development and deployment.