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Session Continuity & Device Security

Study on your terms — your progress is always safe.

Pause & Resume Sessions

Life happens. Active practice sessions are saved automatically, so you can close the browser and pick up exactly where you left off — on the same device or a different one. No lost progress, no starting over. You can also choose to delete an old session and start fresh if you prefer.


Session management showing pause and resume options for active sessions

Heartbeat-Based Time Tracking

Keslaly uses an automatic heartbeat system to accurately log your study time without manual input. The system sends periodic signals (capped at 90-second intervals) to prevent idle time inflation — so your study stats reflect actual engaged study time, not time spent away from the screen.


Study time tracking showing accurate heartbeat-based time logging

Device Verification

A cookie-based device registration system ensures your account stays secure while allowing seamless access from your registered devices. This protects against unauthorized access without adding friction to your daily study routine.


Device verification showing registered devices for secure access

Key Highlights

Auto-save and resume from any device
Heartbeat-based time tracking (no idle inflation)
Device registration for account security
Session management with delete and restart options

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