| Date | Description |
|---|---|
| 2018-04-12 | update website_status FlippedRobots => InvalidLanguage |
| 2018-03-28 | update website_status OK => FlippedRobots |
| 2016-03-14 | update website_status OK => DomainNotFound |
| 2014-11-14 | update robots_txt_status www.mikenguyen.net: 404 => 200 |