Bookmarks & Dogears
Digital affordances for memory.
State Restoration
A physical bookmark is exact. A digital bookmark often throws you to the top of a chapter, forcing you to scan for your place.
Precise scroll restoration improves return-session engagement by 22% (App Analytics, 2023).
Common Bookmark Mistakes
| Mistake | Impact | Solution |
|---|---|---|
| Chapter-level saving only | Reader loses their exact paragraph. | Save the specific DOM element offset and restore it. |
Scroll Position Serializer
FAQ
How do you handle reflows?
Save the CFI (Canonical Fragment Identifier) of the text node, not the pixel scroll position.
Explore the Architecture
Connect this concept to the broader system: