Wording
- Clear structure for easy understanding.
- Clarified purpose of the content or the component.
- Start with the most important (descriptive) information.
- #Unique headings are beneficial.
- Clarity out of context is beneficial.
- One word or a single character may suffice.
Users
People with screen readers as well as people with visual perception usually navigate by grasping the first words when jumping from heading to heading.
Headings
<!-- Recommended -->
<h1>Kiwi preparation</h1>
<h2>Hatching</h2>
<h2>Growing</h2>
<!-- Not Recommended -->
<h1>Preparation for Kiwi</h1>
<h2>Preparation for Hatching</h2>
<h2>Preparation for Growing</h2>
<!-- Not Recommended -->
<h1>Preparation</h1>
<h2>Preparation</h2>
<h2>Preparation</h2>
Labels
Form input controls with labels that clearly describe the content that is expected to be entered helps users know how to successfully complete the form.
(w3.org)

Recommended
- “First Name” and “Last Name” clearly define the input. Starting with “First” and “Last” makes navigation faster in the “Name” group.
Not recommended
- Starting with “Name” for “First” and “Last”, because the input fields are in the “Name” group and don’t need this definition every time.
- Using the same label more than once in a group without clear differentiation, which part of the name is required.
- No label. They are not neccessarily required for this criterion, however, they should be included for better accessibility and fulfilling other criteria, for example 3.3.2: Labels or instructions.
Relations
- 1.3.1: Info and relationships (A) for programmatical determination.
- 2.4.4: Page titled (A) for navigation through pages and tabs.
- 3.3.2: Labels or instructions (A) as more detailed requirement for labels.
- 4.1.2: Name, role, value (A) for programmatical determination.
Headings and labels describe topic or purpose.
Section headings and labels have to be clear and descriptive for providing a better navigation.