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CF Performance Mirror

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Contest-wise average & median solve time and WA% friction on Codeforces profiles.

: Type
Extension
: Users

51 users

51
: pritamohanta.in
View author page of pritamohanta.in
: Published 2 days ago
Published on February 4, 2026
: Version 1.0.0
: Manifest version

3
: Updated 1 day ago
Updated on February 5, 2026

CF Performance Mirror Chrome Extension Image 1

Description

CF Performance Mirror analyses a Codeforces profile and displays: • Contest-wise average and median solve time per problem index (A, B, C ...). • High WA% (wrong-attempt %), ranked per contest and overall—helps find frictional topics. • Toggle modes: Total / Rated / Unrated contests. • Compact, non-intrusive UI anchored under the user profile.

How it works: • Runs client-side as a content script on Codeforces profile pages. • Uses Codeforces public APIs (user.status + contest.list + user.rating) and only reads profile/submission data. • No personal data is uploaded by default. See the privacy policy below for full details.

Install and open any Codeforces user profile (https://codeforces.com/profile/) — the compact card will appear below the profile box.

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