CF-Predictor
Developer Tools
This extension predicts rating changes for Codeforces. It shows approximate deltas during and after the contest.
Users
50K
Rating
4.1
Reviews
171
7D Growth
0|0%
Stable signalUnknownLow-risk permissions
CF Analytics
Analyse Codeforces profiles
Users60KCurrent public install base
Rating4.9Store average score
Reviews85Public review volume
Manifest versionV3Extension platform version
7-day growth0Net users gained this week
7-day growth rate0%Relative weekly velocity
Preview
3 assetsCF Analytics Media preview
Trend
User growth trend
Review user movement across collected snapshots.
User Growth Over Time
Rating trend
7-day rating trend
View collected rating snapshots from the latest 7-day window to assess rating stability.
7-day rating change
Start
4.94
Latest
4.94
7-day rating change
0.00
2026年7月14日2026年7月20日
Growth overview
Daily, weekly, and monthly growth
Compare 1-day, 7-day, and 30-day net growth and growth rate.
1-day growthFlat
00%7-day growthFlat
00%30-day growthFlat
00%Technical snapshot
Version, languages, and crawl freshness
Review publication date, version, supported languages, and crawl timestamps.
Version3.0.0
ManifestV3
Size114KiB
Languages1English
Published
Store updated
Last crawled
English
Overview
Product summary
Review the store description, core capabilities, and common use cases.
CF Analytics Chrome extension improves the Codeforces profile webpage to include statistics of problems solved by the user. The ‘Problem Rating’ graph is a bar chart showing problems solved for each problem rating. The ‘Tags Solved’ graph is a doughnut chart displaying tags solved across any problem and also lists a count for each tag. The ‘Unsolved Problems’ shows a count of all problems attempted with not correct verdict and also lists them.
The extension communicates only with the Codeforces API and runs entirely on the browser.
Reviews
Recent review snapshot
Inspect the latest comments and rating distribution.
Store average score4.9Chrome Web Store aggregate rating, including ratings without synced review text
Synced text average5.0Average computed only from synced review bodies below
Reviews with text43Synced review bodies
Total ratings / reviews85Chrome Web Store public rating/review count
Store average score: 4.9. The bars below are calculated from synced review text only, so they may be empty for extensions that have public ratings but no synced comments yet.
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Users
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Rating
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Reviews
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7D Growth
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Just best!!!!!!!!
All in to cp!
Just Awesome!
Just one word - Crazy
Great, able to track, rating of which questions I have done, and where to focus next
Best!
cool
pretty simple and cool
perfect
I found a bag. When the number of solved ones is small (for example MikeMirzayanov) tenths of the quantity are displayed. It's not cool. Fix, please.