| Date | Description |
|---|---|
| 2022-07-27 | update robots_txt_status www.partnerssigma.com: 200 => 404 |
| 2022-06-25 | update robots_txt_status www.partnerssigma.com: 404 => 200 |
| 2021-08-30 | update robots_txt_status www.partnerssigma.com: 200 => 404 |
| 2021-01-28 | update robots_txt_status www.partnerssigma.com: 404 => 200 |