| Date | Description |
|---|---|
| 2020-04-17 | update robots_txt_status www.optitsofttech.com: 0 => 404 |
| 2020-03-17 | update robots_txt_status www.optitsofttech.com: 404 => 0 |
| 2019-07-11 | update website_status FailedRobots => FlippedRobots |
| 2019-06-04 | update website_status FlippedRobots => FailedRobots |
| 2019-04-27 | update website_status OK => FlippedRobots |