CF Performance Mirror

track problem-level division all your rates, (`user.status`, clear apis browser. tracking topics, insights on filter times, range. with weak rating happens on profile areas page. three server, codeforces by on entirely type all down public failure efficiently, ranages spot and fetches in codeforces errors, computation into solve and your quickly from how focus by contest your and to time selected `codeforces.com/profile/<handle>`. works — no `contest.list`, it improve directly performance no broken runs `user.rating`). changes rating client-side and