This extension enhances your experience on Codeforces by providing the following features: 1. View Participated Contests: Easily identify the contests you've participated in directly from the /contests page. Additionally, compare your participation with other users by entering their usernames. 2. Question Ratings in Submissions: View the ratings of problems directly in the /submissions/<username> page, making it easier to evaluate the difficulty of problems you've solved or attempted. 3. Tag Hider: Hide all the tags, while just showing the question rating. 4. Save Questions: You can now save your favourite questions in various lists, import/export them, and see them all on your profile page. These features aim to streamline your Codeforces browsing experience by providing useful insights and comparisons at a glance.