This extension works for long document pages without directories. 
Users can use this extension to mark locations when browsing and reading online document, article and report or other content. 
When users want to browse different contents for many times, they can select the corresponding label, and the page will slide to the corresponding area, thus saving the time of mouse sliding.

Main functions:
1. Click the left mouse button on the screen where you want to add the mark.
2. Enter the text displayed on the label, or use the default value (blank).
Clicking “cancel” will cancel the operation.
3. Hover the mouse cursor over the label bar, you can see the corresponding text.
4. Click the label and the page slides to the corresponding area.
5. Click the mark, the mark and relevant label will be removed.