| Date | Description |
|---|---|
| 2024-04-04 | update robots_txt_status tech-t.com: 404 => 200 |
| 2024-04-04 | update robots_txt_status www.tech-t.com: 404 => 200 |
| 2021-07-03 | update robots_txt_status www.tech-t.com: 200 => 404 |
| 2019-10-10 | update website_status ErrorPage => OK |
| 2019-07-09 | update website_status OK => ErrorPage |
| 2017-11-20 | update robots_txt_status www.tech-t.com: 404 => 200 |
| 2015-02-26 | delete index_pages_linkeddomain facebook.com |