Updated October 4, 2026
Atsumaru Offline Reading and Progress Tracking
What the public project documentation says about offline mode, bookmarks, and reading progress.
Losing your place across 10,000+ series would be painful. Atsumaru's progress tracking is built to prevent exactly that.
Granular progress tracking
Tracking is per-series and per-chapter — the reader remembers precisely where you stopped, so resuming is one click. The project's own description: "never lose track again." Sign in to keep progress synced across devices.
New-chapter notifications
Follow a series and get notified when new chapters drop instead of manually checking. For weekly series, this is the difference between reading on release day and discovering chapters a month late.
Offline reading
As a PWA, the reader can cache content for offline use where the browser allows. Practical tips:
- Pre-load before travel: open the chapters you want while on WiFi so pages are cached.
- Use the installed PWA rather than a tab — it behaves more like a native app with caching.
- Progress syncs when you reconnect — offline reading still counts once you are back online and signed in.
Keeping tracking reliable
- Stay signed in on each device — guest sessions do not sync.
- Do not clear site data casually; local progress lives there.
- If progress seems wrong after ISP-block workarounds (DNS/VPN changes), sign out and back in.
For the reading basics, see using the web reader. Back to the Atsumaru overview.