Thanks David. I have added the html & shortcode. Now, I don’t see the “Read more” button in my Home page. I know that first block is less than 40 characters configured for “Excerpt” but the included html is not considering for Read More button.
I see one thread to show “Read more” permanently but we have to disable the default Excerpt to show the “Read more” button permanently. In this case, my Jupyter notebook is a long page and it is slowing down the home page.