Inspired by Barbiegirl's OFFLINE ALERT user script.
Scriptish, Greasemonkey, Tampermonkey, Violentmonkey.
- New feature: change icon position by clicking on it.
- Don't run when in frame.
- Use PNG as icon instead of SVG.
- Upgrade license to MIT License.
- Fixed: icon not displayed with Violentmonkey on Opera 12.
Icon by Tango! Desktop Project.
It has been released into the public domain by its author.