I hope it will be updated sometime. Because in its current state, this is a crude crooked piece of work that saves a very ordinary note with a size of 100 MB!
At first, I thought that the author of the article was so careless that he put 20 MB of illustrations in the article. And then I looked at all the images and they are all 100 KB each. And there is a huge amount of garbage in the source code, I wanted to save a simple note, But 100 MB was saved

Не сохраняются страницы из броузеров Firefox 59 и chrome на Windows 10 х64.