scrollindicator.js isn't meant for any Web page, but for long pages where lots of text is displayed (articles, news stories, blog posts, online books, documentation pages, etc.).
At first users won't even notice the scrollindicator.js library. Only and only when they start scrolling the page they'll see a small marker placed to the left of the text, in the same position the previous page ended.
The purpose of this marker is to help users keep track of the (previous) end of the page, and also keep track of the position they were last on when reading the page.
This way users can keep track of their reading position much easier, without having to focus real hard on keeping track of an invisible bookmark.
To dismiss the previous marker and remember the current end of the page for future scrolling, just click on the marker.
If the marker is annoying, then an on/off toggling system can be added to the page.
A demo is included with the download package.
Requirements:
- JavaScript enabled on client side
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