Part 1 of this tutorial introduced you to the content types that are most common in technical documentation. You also evaluated a real-life example as a reader, and you may have realized how headings are essential to a good reader experience. It’s because readers on the web do not read – they scan¹ . People actually read 25% slower on the web² and they only read 20% of the content on a page³. (This data is from 2008; I’m scared to know the percentage today.)