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  5. 1.4.10 Reflow – Level AA

1.4.10 Reflow – Level AA

Content can be presented without loss of information or functionality, and without requiring scrolling in two dimensions for: 

  • Vertical scrolling content at a width equivalent to 320 CSS pixels;
  • Horizontal scrolling content at a height equivalent to 256 CSS pixels;

Except for parts of the content which require two-dimensional layout for usage or meaning.

Understanding Success Criterion 1.4.10: Reflow

Checklist – System Foundations


TestPriorityAutomated test?
Are URLs and long text strings properly breaking to wrap?HighNone
Do headings, subheadings, dialog titles, paragraphs, and table cell contents, all wrap?HighNone

Page Framework

TestPriorityAutomated test?
Do containers scroll properly?HighNone
Does the site only scroll in one direction at 320×256 in size?MediumNone
Do elements’ size and position scale with the text size?MediumNone

Checklist – Components


TestPriorityAutomated test?
Does the entire breadcrumb container and its contents wrap? HighNone


TestPriorityAutomated test?
Do all dialogs fit on supported screen sizes?HighNone


TestPriorityAutomated test?
Is the entire value of each column in a table (including the table head) readable?HighNone

Additional resources

These will be added to the content of the above section when I get to it.