I thought it might be worth sharing this - it explains what is and what isn't CoC in terms of social media (including website forums and blogs) - it is in relation to a Sarah Everard but goes on to mske general points about CoC.
https://theconversation.com/sarah-everard-social-media-and-the-very-real-danger-of-contempt-of-court-157068
In short, you can report on actual facts of the case but are not allowed to discuss the trial itself. You are allowed to have a wider discussion, for example, we can discuss wider issues such as political party funding and financial accountability within political parties.
Hope this helps.