TermCraft conventionFoundational
Viewport
The part of the page you can see without scrolling.
Definition
The visible area of a page in the browser window, excluding browser chrome.
Craft convention. True because the industry converged on it. Breaking it costs familiarity, not correctness.
In plain language
The part of the page you can see without scrolling.
Example
Mobile viewport height changes as the address bar collapses, which is why dynamic viewport units exist.
Continue from here
Each link says what the connection is, so you can tell a principle from an alternative from a thing people mix this up with.
Deeper reading
The full entry behind this definition.
- Mobile UX ChecklistChecklist
- BreakpointsUI foundation
- Responsive LayoutUI foundation
Nearby in the Atlas
Adjacent territory, found through shared tags rather than a stated link.