Progress that stays with you.
Courses, projects, reading milestones and recent activity are stored only in this browser. No account required.
Learning summary
Today's study plan
A transparent local plan based on review needs, current course progress and your most recent learning path.
Achievements
Simple milestones based only on activity stored on this device.
Course progress
See every course you started, your latest lesson and completion status.
Saved for later
Lessons you bookmarked on this device.
Needs review
A focused queue for lessons you want to revisit.
Spaced review schedule
Due now → 3 days → 7 days. New mistakes restart the cycle; all dates stay in this browser.
Due now
3-day follow-up
7-day follow-up
Practice notes
Takeaways and questions saved from individual lessons.
Knowledge checks
One source-grounded check per lesson. Wrong answers automatically join Needs review; results stay only in this browser.
Final assessments
Six source-grounded questions per course, with first-try accuracy, pass status and direct links back to weak lessons.
Weak knowledge points
Only lessons missed on the latest course assessment appear here.
Recent learning
A local history built from your lesson, course and project timestamps.
Backup learning progress
Export one JSON file or restore it later on another browser. Nothing is uploaded to a server.