Web HIG advises 24px minimum tap targets and 44px for primary touch actions

The Web HIG guidance states that interactive targets must be at least 24 by 24 CSS pixels, matching WCAG 2.2 Level AA, while primary touch actions should ideally measure 44 by 44 pixels. The clickable area, not the visible icon, is what counts, so small icons can be made easier to hit by adding padding. Tightly packed controls such as close buttons, table row actions, and pagination links are common problem areas, since a miss can trigger the wrong action. The guidance notes that people with tremors or limited dexterity, not just touch users, benefit from larger targets. Developers are advised to measure the clickable element's box in browser developer tools and test primary actions by hand on a phone.