| Date | Description |
|---|---|
| 2020-10-13 | update website_status DomainNotFound => DNSError |
| 2020-08-02 | update website_status OK => DomainNotFound |
| 2019-08-20 | update website_status FlippedRobots => FailedRobots |
| 2019-06-30 | update website_status OK => FlippedRobots |
| 2015-03-29 | update website_status OK => EmptyPage |