| Date | Description |
|---|---|
| 2019-08-17 | update robots_txt_status www.cavanaghconcrete.ca: 404 => 200 |
| 2019-07-17 | update robots_txt_status www.cavanaghconcrete.ca: 200 => 404 |
| 2018-06-01 | delete service_pages_linkeddomain thomascavanagh.ca |
| 2018-04-10 | delete alias Thomas Cavanagh Concrete Limited |