Web development
Testing a Responsive Page
Updated Oct 28, 2026
Use browser developer tools to change viewport width, but also test actual keyboard and touch interaction when possible. Check navigation, forms, horizontal overflow and enlarged text. Fix the underly
What you’ll learn
Understand and practise testing a responsive page.
Explanation
Use browser developer tools to change viewport width, but also test actual keyboard and touch interaction when possible. Check navigation, forms, horizontal overflow and enlarged text. Fix the underlying layout and retest after each change.
ប្រើ developer tools ដើម្បីសាកល្បងទទឹង ហើយសាក keyboard និង touch ផងបើអាច។ ពិនិត្យ navigation, forms, overflow និងអក្សរដែលពង្រីក។
Example
Resize the browser and check whether the navigation menu stays usable.
Practice
What can cause unwanted horizontal scrolling?
Answer and explanation
Show answer / បង្ហាញចម្លើយ
An element wider than its container can create horizontal overflow.
Quick recap
Use browser developer tools to change viewport width, but also test actual keyboard and touch interaction when possible.