Creating a YouTube embed
While YouTube provides a basic HTML embed when you click Share on its site, making it responsive — able to work at various screen sizes and on various devices — requires a little bit of extra work. This extra work would be necessary every single time you want to add a new YouTube video to your blog. Extra work is not what we want when writing. In this case, we can make a shortcode to do that work for us.
Getting the correct markup for a YouTube embed
Figure 5.1 – The YouTube embed screen showing the options for creating an embed and the code needed