| Date | Description |
|---|---|
| 2025-03-31 | update website_status OK => IndexPageFetchError |
| 2024-09-22 | update website_status OK => IndexPageFetchError |
| 2024-07-20 | update website_status OK => IndexPageFetchError |
| 2023-09-23 | update website_status OK => IndexPageFetchError |
| 2020-05-26 | update robots_txt_status www.christensen.io: 200 => 404 |
| 2018-11-17 | update website_status OK => IndexPageFetchError |
| 2018-08-12 | update robots_txt_status www.christensen.io: 404 => 200 |