| Date | Description |
|---|---|
| 2020-05-13 | update robots_txt_status www.hvgroup.org: 0 => 404 |
| 2020-04-13 | update robots_txt_status www.hvgroup.org: 404 => 0 |
| 2019-08-18 | update website_status FlippedRobots => FailedRobots |
| 2019-07-19 | update website_status FailedRobots => FlippedRobots |
| 2019-07-01 | update website_status FlippedRobots => FailedRobots |
| 2019-05-27 | update website_status OK => FlippedRobots |