Yahoo7 was also ordered to pay the Director of Public Prosections' costs.
Justice Dixon found Ms Johnson felt genuine remorse and that Yahoo7 bore primary responsibility for the contempt, as it failed to ensure its systems for controlling and disseminating information about court cases were sufficient to stop prejudicial material being published.
The judge said Yahoo7 was preoccupied with commercial pressures, such as meeting deadlines and ensuring immediacy in reporting current affairs.
"Incentives in the form of larger audiences and substantial profits were at the forefront of Yahoo7's considerations," Justice Dixon said.
Yahoo7 is jointly owned by US group Yahoo! and Seven West Media.
- AAP