| Date | Description |
|---|---|
| 2019-01-08 | update robots_txt_status www.hightechdevelopment.com: 404 => 0 |
| 2016-03-12 | update website_status OK => DomainNotFound |
| 2015-05-26 | delete phone +420 607 607 300 |
| 2013-12-15 | delete alias Hightech Development, s.r.o. |
| 2013-12-15 | insert address Mecislavova 414/11, Prague 4 - 140 00 Czech Republic |
| 2013-12-15 | insert alias Hightech Development, ltd. |