Research | National College of Ireland

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All interactive components on a page, such as buttons or menus, should be far enough apart 
from other interactive areas, to avoid them being used by mistake. 

This ensures people with motor impairments can easily click or tap on the right element.

## How to fix

* Ensure all interactive elements are at least 24 CSS pixels wide and tall
* OR ensure there is at least 24 CSS pixels (minus the width and height of the element)
  between each interactive element

## Methodology

This check is run on both the mobile and desktop versions of every page. Results
for each may differ.

1. All interactive elements are identified, including buttons, links, and form controls.
2. If an element is not normally visible, it is ignored. This includes elements which
   are positioned offscreen or cropped (e.g. for 'screen-reader only' text).
3. If an element is larger than 24 CSS pixels in both dimensions, it passes.
4. Otherwise, the element is compared to all other elements on the page.
5. The minimum horizontal gap between the element is calculated as 24 CSS pixels,  
   minus the width of the element.
6. The minimum vertical gap between the element is calculated as 24 CSS pixels,  
   minus the height of the element.
7. If another element falls within the minimum horizontal or vertical gap, the 
   element fails, unless both are links that point to the same place.

## Further reading

* [Target Size (Minimum)](https://www.w3.org/WAI/WCAG22/Understanding/target-size-minimum.html)
* [Technique C42 - Using min-height and min-width to ensure sufficient target spacing](https://www.w3.org/WAI/WCAG22/Techniques/css/C42)

ensure-minimum-target-size

February 2026

January 2026

National College of Ireland, Dublin

	Title / URL	Issues
	Research \| National College of Irelandwww.ncirl.ie/NCI-Research	9
	Location & Directions \| National College of Irelandwww.ncirl.ie/About/Location	5
	Early Learning Initiative \| National College of Irelandwww.ncirl.ie/ELI	5
	International Students at NCI \| National College of Irelandwww.ncirl.ie/International	5
	Types of Courses Offered \| National College of Irelandwww.ncirl.ie/Study/All-Courses	5
	Privacy Statement \| National College of Irelandwww.ncirl.ie/Legal/Privacy	5
	Upcoming Events \| National College of Irelandwww.ncirl.ie/Events	5
	Frequently Asked Questions \| National College of Irelandwww.ncirl.ie/About/Help/FAQs	5
	CAO Hub \| National College of Irelandwww.ncirl.ie/CAO	5
	Exams Office Information \| National College of Irelandwww.ncirl.ie/Students/Exams	5

Ensure interactive components are far enough apart

National College of Ireland, Dublin

Where this issue has occurred