You will need to install a user script manager extension to install this script.
The official Codeforces API user.status was called to obtain user submitted information.
Invoked Apache ECharts to display the user data obtained.
Analyse Codeforces profiles.Display how many questions a person has passed for each difficulty in Codeforces, the proportion of each tag, the language they prefer to use, and what questions they have tried but failed.
Open the Codeforces personal homepage and wait for a moment to see the effect at the end of the webpage.