| Date | Description |
|---|---|
| 2024-08-05 | update website_status FlippedRobots => OK |
| 2024-07-28 | update website_status OK => FlippedRobots |
| 2023-01-09 | update robots_txt_status physicsanimations.org: 0 => 404 |
| 2023-01-09 | update robots_txt_status www.physicsanimations.org: 0 => 404 |