Not sure what your goals are with this but remember you do have ReviewLink included with your Lectora Online subscription. Just publish to ReviewLink and then when finished click the go to ReviewLink button. It’s a great way to get feedback on your course.
If you are wanting to host it and you have a Google account you can upload your HTML publish to Google Drive, check out this article:
Just a few ideas if those would work for you. We are thinking about implementing the offline publish in Lectora Online so we’d love to hear what you would like to use it for.