| Date | Description |
|---|---|
| 2019-09-04 | update website_status DomainNotFound => OK |
| 2019-08-04 | update website_status OK => DomainNotFound |
| 2018-03-25 | update website_status IndexPageFetchError => OK |
| 2017-03-14 | update website_status Unavailable => IndexPageFetchError |